68172525784 has 48 divisors (see below), whose sum is σ = 143489656800. Its totient is φ = 30328182720.

The previous prime is 68172525761. The next prime is 68172525797. The reversal of 68172525784 is 48752527186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 703719 + ... + 794710.

It is an arithmetic number, because the mean of its divisors is an integer number (2989367850).

Almost surely, 2^68172525784 is an apocalyptic number.

It is an amenable number.

68172525784 is an abundant number, since it is smaller than the sum of its proper divisors (75317131016).

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

68172525784 is a wasteful number, since it uses less digits than its factorization.

68172525784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498504 (or 1498489 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 55.

The spelling of 68172525784 in words is "sixty-eight billion, one hundred seventy-two million, five hundred twenty-five thousand, seven hundred eighty-four".