64730362400 has 72 divisors (see below), whose sum is σ = 172388747664. Its totient is φ = 23538310400.

The previous prime is 64730362399. The next prime is 64730362421. The reversal of 64730362400 is 426303746.

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, 3669062 + ... + 3686661.

It is an arithmetic number, because the mean of its divisors is an integer number (2394288162).

Almost surely, 2^64730362400 is an apocalyptic number.

It is an amenable number.

64730362400 is an abundant number, since it is smaller than the sum of its proper divisors (107658385264).

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

64730362400 is a wasteful number, since it uses less digits than its factorization.

64730362400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355754 (or 7355741 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 64730362400 in words is "sixty-four billion, seven hundred thirty million, three hundred sixty-two thousand, four hundred".