724769740 has 24 divisors (see below), whose sum is σ = 1574501040. Its totient is φ = 279910848.

The previous prime is 724769723. The next prime is 724769791. The reversal of 724769740 is 47967427.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624222 + ... + 625381.

It is an arithmetic number, because the mean of its divisors is an integer number (65604210).

Almost surely, 2^724769740 is an apocalyptic number.

It is an amenable number.

724769740 is an abundant number, since it is smaller than the sum of its proper divisors (849731300).

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

724769740 is a wasteful number, since it uses less digits than its factorization.

724769740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249641 (or 1249639 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 724769740 is about 26921.5478752616. The cubic root of 724769740 is about 898.2557740871.

The spelling of 724769740 in words is "seven hundred twenty-four million, seven hundred sixty-nine thousand, seven hundred forty".