64072570068 has 72 divisors (see below), whose sum is σ = 182003273088. Its totient is φ = 18857475648.

The previous prime is 64072570057. The next prime is 64072570073. The reversal of 64072570068 is 86007527046.

64072570068 is a `hidden beast` number, since 6 + 4 + 0 + 72 + 570 + 0 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2965480 + ... + 2987007.

Almost surely, 2^64072570068 is an apocalyptic number.

It is an amenable number.

64072570068 is an abundant number, since it is smaller than the sum of its proper divisors (117930703020).

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

64072570068 is a wasteful number, since it uses less digits than its factorization.

64072570068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952533 (or 5952528 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 64072570068 in words is "sixty-four billion, seventy-two million, five hundred seventy thousand, sixty-eight".