724340812 has 12 divisors (see below), whose sum is σ = 1365103936. Its totient is φ = 334311120.

The previous prime is 724340767. The next prime is 724340831. The reversal of 724340812 is 218043427.

It is a super-2 number, since 2×724340812² = 1049339223857638688, which contains 22 as substring.

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, 6964764 + ... + 6964867.

Almost surely, 2^724340812 is an apocalyptic number.

It is an amenable number.

724340812 is a deficient number, since it is larger than the sum of its proper divisors (640763124).

724340812 is a wasteful number, since it uses less digits than its factorization.

724340812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13929648 (or 13929646 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 724340812 is about 26913.5804381357. The cubic root of 724340812 is about 898.0785393681.

The spelling of 724340812 in words is "seven hundred twenty-four million, three hundred forty thousand, eight hundred twelve".