70038555906 has 32 divisors (see below), whose sum is σ = 152869506048. Its totient is φ = 21215733840.

The previous prime is 70038555887. The next prime is 70038555919. The reversal of 70038555906 is 60955583007.

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, 25750 + ... + 375153.

It is an arithmetic number, because the mean of its divisors is an integer number (4777172064).

Almost surely, 2^70038555906 is an apocalyptic number.

70038555906 is an abundant number, since it is smaller than the sum of its proper divisors (82830950142).

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

70038555906 is a wasteful number, since it uses less digits than its factorization.

70038555906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403566.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 70038555906 in words is "seventy billion, thirty-eight million, five hundred fifty-five thousand, nine hundred six".