70057072 has 40 divisors (see below), whose sum is σ = 141062400. Its totient is φ = 33680832.

The previous prime is 70057067. The next prime is 70057129. The reversal of 70057072 is 27075007.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70057072.

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 7 ways as a sum of consecutive naturals, for example, 43579 + ... + 45157.

It is an arithmetic number, because the mean of its divisors is an integer number (3526560).

Almost surely, 2^70057072 is an apocalyptic number.

It is an amenable number.

70057072 is an abundant number, since it is smaller than the sum of its proper divisors (71005328).

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

70057072 is a wasteful number, since it uses less digits than its factorization.

70057072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 28.

The square root of 70057072 is about 8370.0102747846. The cubic root of 70057072 is about 412.2405043143.

The spelling of 70057072 in words is "seventy million, fifty-seven thousand, seventy-two".