70057328 has 20 divisors (see below), whose sum is σ = 148076088. Its totient is φ = 31844160.

The previous prime is 70057327. The next prime is 70057331. The reversal of 70057328 is 82375007.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 70057294 and 70057303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70057327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198851 + ... + 199202.

Almost surely, 2^70057328 is an apocalyptic number.

It is an amenable number.

70057328 is an abundant number, since it is smaller than the sum of its proper divisors (78018760).

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

70057328 is a wasteful number, since it uses less digits than its factorization.

70057328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398072 (or 398066 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 70057328 is about 8370.0255674639. The cubic root of 70057328 is about 412.2410064451.

The spelling of 70057328 in words is "seventy million, fifty-seven thousand, three hundred twenty-eight".