724746874 has 4 divisors (see below), whose sum is σ = 1087120314. Its totient is φ = 362373436.

The previous prime is 724746821. The next prime is 724746881. The reversal of 724746874 is 478647427.

724746874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 632874649 + 91872225 = 25157^2 + 9585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181186717 + ... + 181186720.

Almost surely, 2^724746874 is an apocalyptic number.

724746874 is a deficient number, since it is larger than the sum of its proper divisors (362373440).

724746874 is a wasteful number, since it uses less digits than its factorization.

724746874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362373439.

The product of its digits is 2107392, while the sum is 49.

The square root of 724746874 is about 26921.1231935074. The cubic root of 724746874 is about 898.2463275317.

The spelling of 724746874 in words is "seven hundred twenty-four million, seven hundred forty-six thousand, eight hundred seventy-four".