68512251732 has 24 divisors (see below), whose sum is σ = 162113499072. Its totient is φ = 22515763200.

The previous prime is 68512251713. The next prime is 68512251739. The reversal of 68512251732 is 23715221586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68512251739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40205869 + ... + 40207572.

It is an arithmetic number, because the mean of its divisors is an integer number (6754729128).

Almost surely, 2^68512251732 is an apocalyptic number.

It is an amenable number.

68512251732 is an abundant number, since it is smaller than the sum of its proper divisors (93601247340).

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

68512251732 is a wasteful number, since it uses less digits than its factorization.

68512251732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80413519 (or 80413517 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The spelling of 68512251732 in words is "sixty-eight billion, five hundred twelve million, two hundred fifty-one thousand, seven hundred thirty-two".