724520274 has 24 divisors (see below), whose sum is σ = 1525911120. Its totient is φ = 228705120.

The previous prime is 724520243. The next prime is 724520299. The reversal of 724520274 is 472025427.

It is a happy number.

It is a super-3 number, since 3×724520274³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286134 + ... + 288654.

It is an arithmetic number, because the mean of its divisors is an integer number (63579630).

Almost surely, 2^724520274 is an apocalyptic number.

724520274 is an abundant number, since it is smaller than the sum of its proper divisors (801390846).

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

724520274 is an equidigital number, since it uses as much as digits as its factorization.

724520274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 724520274 is about 26916.9142733709. The cubic root of 724520274 is about 898.1527022757.

The spelling of 724520274 in words is "seven hundred twenty-four million, five hundred twenty thousand, two hundred seventy-four".