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70734960 = 24325175779
BaseRepresentation
bin1000011011101…
…01010001110000
311221002201010100
410031311101300
5121102004320
611004032400
71516144242
oct415652160
9157081110
1070734960
1136a2324a
121b832700
131186820a
149574092
156323790
hex4375470

70734960 has 120 divisors (see below), whose sum is σ = 251568720. Its totient is φ = 17750016.

The previous prime is 70734947. The next prime is 70735003. The reversal of 70734960 is 6943707.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9351 + ... + 15129.

It is an arithmetic number, because the mean of its divisors is an integer number (2096406).

Almost surely, 270734960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70734960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125784360).

70734960 is an abundant number, since it is smaller than the sum of its proper divisors (180833760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70734960 is a wasteful number, since it uses less digits than its factorization.

70734960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70734960 is about 8410.4078379113. The cubic root of 70734960 is about 413.5658825508.

The spelling of 70734960 in words is "seventy million, seven hundred thirty-four thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 34 36 40 45 48 51 60 68 72 80 85 90 102 120 136 144 153 170 180 204 240 255 272 306 340 360 408 510 612 680 720 765 816 1020 1224 1360 1530 2040 2448 3060 4080 5779 6120 11558 12240 17337 23116 28895 34674 46232 52011 57790 69348 86685 92464 98243 104022 115580 138696 173370 196486 208044 231160 260055 277392 294729 346740 392972 416088 462320 491215 520110 589458 693480 785944 832176 884187 982430 1040220 1178916 1386960 1473645 1571888 1768374 1964860 2080440 2357832 2947290 3536748 3929720 4160880 4420935 4715664 5894580 7073496 7859440 8841870 11789160 14146992 17683740 23578320 35367480 70734960