70972056 has 24 divisors (see below), whose sum is σ = 192216180. Its totient is φ = 23657328.

The previous prime is 70972037. The next prime is 70972063. The reversal of 70972056 is 65027907.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a self number, because there is not a number n which added to its sum of digits gives 70972056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 492790 + ... + 492933.

Almost surely, 2^70972056 is an apocalyptic number.

It is an amenable number.

70972056 is an abundant number, since it is smaller than the sum of its proper divisors (121244124).

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

70972056 is a wasteful number, since it uses less digits than its factorization.

70972056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985735 (or 985728 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 70972056 is about 8424.4914386567. The cubic root of 70972056 is about 414.0274433954.

The spelling of 70972056 in words is "seventy million, nine hundred seventy-two thousand, fifty-six".