68925724 has 24 divisors (see below), whose sum is σ = 139743968. Its totient is φ = 29134080.

The previous prime is 68925713. The next prime is 68925737. The reversal of 68925724 is 42752986.

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 7 ways as a sum of consecutive naturals, for example, 14817 + ... + 18904.

Almost surely, 2^68925724 is an apocalyptic number.

It is an amenable number.

68925724 is an abundant number, since it is smaller than the sum of its proper divisors (70818244).

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

68925724 is a wasteful number, since it uses less digits than its factorization.

68925724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33805 (or 33803 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 68925724 is about 8302.1517692704. The cubic root of 68925724 is about 410.0093672260.

The spelling of 68925724 in words is "sixty-eight million, nine hundred twenty-five thousand, seven hundred twenty-four".