64475014752 has 72 divisors (see below), whose sum is σ = 185411018520. Its totient is φ = 21250183680.

The previous prime is 64475014741. The next prime is 64475014843. The reversal of 64475014752 is 25741057446.

64475014752 is a `hidden beast` number, since 64 + 47 + 501 + 47 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 64475014698 and 64475014707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1232074 + ... + 1283337.

It is an arithmetic number, because the mean of its divisors is an integer number (2575153035).

Almost surely, 2^64475014752 is an apocalyptic number.

It is an amenable number.

64475014752 is an abundant number, since it is smaller than the sum of its proper divisors (120936003768).

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

64475014752 is a wasteful number, since it uses less digits than its factorization.

64475014752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515516 (or 2515505 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 64475014752 in words is "sixty-four billion, four hundred seventy-five million, fourteen thousand, seven hundred fifty-two".