724924 has 12 divisors (see below), whose sum is σ = 1289848. Its totient is φ = 356400.

The previous prime is 724903. The next prime is 724939. The reversal of 724924 is 429427.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 724892 and 724901.

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, 1242 + ... + 1729.

2⁷²⁴⁹²⁴ is an apocalyptic number.

It is an amenable number.

724924 is a deficient number, since it is larger than the sum of its proper divisors (564924).

724924 is a wasteful number, since it uses less digits than its factorization.

724924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3034 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 724924 is about 851.4246883900. The cubic root of 724924 is about 89.8319497823.

The spelling of 724924 in words is "seven hundred twenty-four thousand, nine hundred twenty-four".