723942864 has 60 divisors (see below), whose sum is σ = 2132676000. Its totient is φ = 228612672.

The previous prime is 723942853. The next prime is 723942881. The reversal of 723942864 is 468249327.

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, 129564 + ... + 135035.

It is an arithmetic number, because the mean of its divisors is an integer number (35544600).

Almost surely, 2^723942864 is an apocalyptic number.

It is an amenable number.

723942864 is an abundant number, since it is smaller than the sum of its proper divisors (1408733136).

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

723942864 is a wasteful number, since it uses less digits than its factorization.

723942864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264632 (or 264623 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 723942864 is about 26906.1863518411. The cubic root of 723942864 is about 897.9140431247.

The spelling of 723942864 in words is "seven hundred twenty-three million, nine hundred forty-two thousand, eight hundred sixty-four".