712728924 has 12 divisors (see below), whose sum is σ = 1663034184. Its totient is φ = 237576304.

The previous prime is 712728917. The next prime is 712728959. The reversal of 712728924 is 429827217.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29697027 + ... + 29697050.

It is an arithmetic number, because the mean of its divisors is an integer number (138586182).

Almost surely, 2^712728924 is an apocalyptic number.

It is an amenable number.

712728924 is an abundant number, since it is smaller than the sum of its proper divisors (950305260).

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

712728924 is a wasteful number, since it uses less digits than its factorization.

712728924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59394084 (or 59394082 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 712728924 is about 26696.9834250988. The cubic root of 712728924 is about 893.2536398921.

The spelling of 712728924 in words is "seven hundred twelve million, seven hundred twenty-eight thousand, nine hundred twenty-four".