724781116 has 12 divisors (see below), whose sum is σ = 1309282240. Its totient is φ = 350700480.

The previous prime is 724781093. The next prime is 724781131. The reversal of 724781116 is 611187427.

It is a super-2 number, since 2×724781116² = 1050615332220410912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 2922381 + ... + 2922628.

Almost surely, 2^724781116 is an apocalyptic number.

It is an amenable number.

724781116 is a deficient number, since it is larger than the sum of its proper divisors (584501124).

724781116 is a wasteful number, since it uses less digits than its factorization.

724781116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845044 (or 5845042 counting only the distinct ones).

The product of its digits is 18816, while the sum is 37.

The square root of 724781116 is about 26921.7591550032. The cubic root of 724781116 is about 898.2604737426.

The spelling of 724781116 in words is "seven hundred twenty-four million, seven hundred eighty-one thousand, one hundred sixteen".