64744712372 has 12 divisors (see below), whose sum is σ = 113475183360. Its totient is φ = 32323231416.

The previous prime is 64744712363. The next prime is 64744712377. The reversal of 64744712372 is 27321744746.

64744712372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64744712377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12278228 + ... + 12283499.

It is an arithmetic number, because the mean of its divisors is an integer number (9456265280).

Almost surely, 2^64744712372 is an apocalyptic number.

It is an amenable number.

64744712372 is a deficient number, since it is larger than the sum of its proper divisors (48730470988).

64744712372 is a wasteful number, since it uses less digits than its factorization.

64744712372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24562390 (or 24562388 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 47.

The spelling of 64744712372 in words is "sixty-four billion, seven hundred forty-four million, seven hundred twelve thousand, three hundred seventy-two".