70688187625 has 32 divisors (see below), whose sum is σ = 97870032000. Its totient is φ = 50538184000.

The previous prime is 70688187599. The next prime is 70688187631. The reversal of 70688187625 is 52678188607.

It is a happy number.

It is not a de Polignac number, because 70688187625 - 2⁹ = 70688187113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70688187625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354550 + ... + 516799.

It is an arithmetic number, because the mean of its divisors is an integer number (3058438500).

Almost surely, 2^70688187625 is an apocalyptic number.

It is an amenable number.

70688187625 is a deficient number, since it is larger than the sum of its proper divisors (27181844375).

70688187625 is a wasteful number, since it uses less digits than its factorization.

70688187625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871434 (or 871424 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 70688187625 in words is "seventy billion, six hundred eighty-eight million, one hundred eighty-seven thousand, six hundred twenty-five".