64712750624 has 24 divisors (see below), whose sum is σ = 127812904128. Its totient is φ = 32252330560.

The previous prime is 64712750621. The next prime is 64712750639. The reversal of 64712750624 is 42605721746.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64712750621) 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, 3241292 + ... + 3261195.

It is an arithmetic number, because the mean of its divisors is an integer number (5325537672).

Almost surely, 2^64712750624 is an apocalyptic number.

It is an amenable number.

64712750624 is a deficient number, since it is larger than the sum of its proper divisors (63100153504).

64712750624 is a wasteful number, since it uses less digits than its factorization.

64712750624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502808 (or 6502800 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 64712750624 in words is "sixty-four billion, seven hundred twelve million, seven hundred fifty thousand, six hundred twenty-four".