724780316 has 12 divisors (see below), whose sum is σ = 1365932232. Its totient is φ = 334513968.

The previous prime is 724780297. The next prime is 724780361. The reversal of 724780316 is 613087427.

It is a super-2 number, since 2×724780316² = 1050613012922119712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 724780316.

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, 6968990 + ... + 6969093.

It is an arithmetic number, because the mean of its divisors is an integer number (113827686).

Almost surely, 2^724780316 is an apocalyptic number.

It is an amenable number.

724780316 is a deficient number, since it is larger than the sum of its proper divisors (641151916).

724780316 is a wasteful number, since it uses less digits than its factorization.

724780316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938100 (or 13938098 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 724780316 is about 26921.7442971290. The cubic root of 724780316 is about 898.2601432480.

The spelling of 724780316 in words is "seven hundred twenty-four million, seven hundred eighty thousand, three hundred sixteen".