70663625420 has 48 divisors (see below), whose sum is σ = 162995293440. Its totient is φ = 25613539776.

The previous prime is 70663625413. The next prime is 70663625449. The reversal of 70663625420 is 2452636607.

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, 4033802 + ... + 4051281.

It is an arithmetic number, because the mean of its divisors is an integer number (3395735280).

Almost surely, 2^70663625420 is an apocalyptic number.

It is an amenable number.

70663625420 is an abundant number, since it is smaller than the sum of its proper divisors (92331668020).

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

70663625420 is a wasteful number, since it uses less digits than its factorization.

70663625420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085134 (or 8085132 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 70663625420 in words is "seventy billion, six hundred sixty-three million, six hundred twenty-five thousand, four hundred twenty".