64730790772 has 12 divisors (see below), whose sum is σ = 113284306240. Its totient is φ = 32363846136.

The previous prime is 64730790769. The next prime is 64730790781. The reversal of 64730790772 is 27709703746.

64730790772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290622 + ... + 462517.

Almost surely, 2^64730790772 is an apocalyptic number.

It is an amenable number.

64730790772 is a deficient number, since it is larger than the sum of its proper divisors (48553515468).

64730790772 is a wasteful number, since it uses less digits than its factorization.

64730790772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774630 (or 774628 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 52.

The spelling of 64730790772 in words is "sixty-four billion, seven hundred thirty million, seven hundred ninety thousand, seven hundred seventy-two".