64704774024 has 64 divisors (see below), whose sum is σ = 196075080000. Its totient is φ = 19607506560.

The previous prime is 64704774019. The next prime is 64704774047. The reversal of 64704774024 is 42047740746.

64704774024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 13613949 + ... + 13618700.

It is an arithmetic number, because the mean of its divisors is an integer number (3063673125).

Almost surely, 2^64704774024 is an apocalyptic number.

It is an amenable number.

64704774024 is an abundant number, since it is smaller than the sum of its proper divisors (131370305976).

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

64704774024 is a wasteful number, since it uses less digits than its factorization.

64704774024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232675 (or 27232665 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 64704774024 in words is "sixty-four billion, seven hundred four million, seven hundred seventy-four thousand, twenty-four".