70446625 has 16 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 56170800.

The previous prime is 70446619. The next prime is 70446637. The reversal of 70446625 is 52664407.

It is not a de Polignac number, because 70446625 - 2³ = 70446617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46632 + ... + 48118.

It is an arithmetic number, because the mean of its divisors is an integer number (5513040).

Almost surely, 2^70446625 is an apocalyptic number.

It is an amenable number.

70446625 is a deficient number, since it is larger than the sum of its proper divisors (17762015).

70446625 is a wasteful number, since it uses less digits than its factorization.

70446625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 70446625 is about 8393.2487750572. The cubic root of 70446625 is about 413.0031814837.

The spelling of 70446625 in words is "seventy million, four hundred forty-six thousand, six hundred twenty-five".