64635960074 has 24 divisors (see below), whose sum is σ = 114466497120. Its totient is φ = 27287673336.

The previous prime is 64635960047. The next prime is 64635960097. The reversal of 64635960074 is 47006953646.

64635960074 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 11 ways as a sum of consecutive naturals, for example, 4915454 + ... + 4928585.

It is an arithmetic number, because the mean of its divisors is an integer number (4769437380).

Almost surely, 2^64635960074 is an apocalyptic number.

64635960074 is a deficient number, since it is larger than the sum of its proper divisors (49830537046).

64635960074 is a wasteful number, since it uses less digits than its factorization.

64635960074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844122 (or 9844115 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 50.

The spelling of 64635960074 in words is "sixty-four billion, six hundred thirty-five million, nine hundred sixty thousand, seventy-four".