70591072 has 24 divisors (see below), whose sum is σ = 147152376. Its totient is φ = 33219072.

The previous prime is 70591063. The next prime is 70591097. The reversal of 70591072 is 27019507.

It is a super-2 number, since 2×70591072² = 9966198892218368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64338 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (6131349).

Almost surely, 2^70591072 is an apocalyptic number.

It is an amenable number.

70591072 is an abundant number, since it is smaller than the sum of its proper divisors (76561304).

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

70591072 is a wasteful number, since it uses less digits than its factorization.

70591072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129790 (or 129782 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 70591072 is about 8401.8493202390. The cubic root of 70591072 is about 413.2852690093.

The spelling of 70591072 in words is "seventy million, five hundred ninety-one thousand, seventy-two".