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70672790 = 2523307273
BaseRepresentation
bin1000011011001…
…10000110010110
311220222112211202
410031212012112
5121043012130
611002432502
71515465056
oct415460626
9156875752
1070672790
1136990571
121b802732
1311845b26
149559566
156310145
hex4366196

70672790 has 16 divisors (see below), whose sum is σ = 132742368. Its totient is φ = 27039936.

The previous prime is 70672781. The next prime is 70672801. The reversal of 70672790 is 9727607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153407 + ... + 153866.

It is an arithmetic number, because the mean of its divisors is an integer number (8296398).

Almost surely, 270672790 is an apocalyptic number.

70672790 is a deficient number, since it is larger than the sum of its proper divisors (62069578).

70672790 is a wasteful number, since it uses less digits than its factorization.

70672790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307303.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 70672790 is about 8406.7110096636. The cubic root of 70672790 is about 413.4446839841. Note that the first 3 decimals are identical.

The spelling of 70672790 in words is "seventy million, six hundred seventy-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 307273 614546 1536365 3072730 7067279 14134558 35336395 70672790