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70076076 = 22372373221
BaseRepresentation
bin1000010110101…
…00011010101100
311212212020022020
410023110122230
5120414413301
610541550140
71510431300
oct413243254
9155766266
1070076076
1136613214
121b575350
1311697345
149441d00
156243436
hex42d46ac

70076076 has 72 divisors (see below), whose sum is σ = 195407856. Its totient is φ = 19474560.

The previous prime is 70076053. The next prime is 70076137. The reversal of 70076076 is 67067007.

It is a happy 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, 20146 + ... + 23366.

It is an arithmetic number, because the mean of its divisors is an integer number (2713998).

Almost surely, 270076076 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 70076076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97703928).

70076076 is an abundant number, since it is smaller than the sum of its proper divisors (125331780).

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

70076076 is a wasteful number, since it uses less digits than its factorization.

70076076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 70076076 is about 8371.1454413360. The cubic root of 70076076 is about 412.2777763557.

The spelling of 70076076 in words is "seventy million, seventy-six thousand, seventy-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 49 74 84 98 111 147 148 196 222 259 294 444 518 588 777 1036 1554 1813 3108 3221 3626 5439 6442 7252 9663 10878 12884 19326 21756 22547 38652 45094 67641 90188 119177 135282 157829 238354 270564 315658 357531 473487 476708 631316 715062 834239 946974 1430124 1668478 1893948 2502717 3336956 5005434 5839673 10010868 11679346 17519019 23358692 35038038 70076076