724712769 has 48 divisors (see below), whose sum is σ = 1161388800. Its totient is φ = 431827200.

The previous prime is 724712713. The next prime is 724712777. The reversal of 724712769 is 967217427.

It is not a de Polignac number, because 724712769 - 2⁷ = 724712641 is a prime.

It is a super-2 number, since 2×724712769² = 1050417195103294722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (724712869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2578909 + ... + 2579189.

It is an arithmetic number, because the mean of its divisors is an integer number (24195600).

Almost surely, 2^724712769 is an apocalyptic number.

It is an amenable number.

724712769 is a deficient number, since it is larger than the sum of its proper divisors (436676031).

724712769 is a wasteful number, since it uses less digits than its factorization.

724712769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 643 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 724712769 is about 26920.4897615181. The cubic root of 724712769 is about 898.2322374759.

The spelling of 724712769 in words is "seven hundred twenty-four million, seven hundred twelve thousand, seven hundred sixty-nine".