724060872 has 48 divisors (see below), whose sum is σ = 2076354540. Its totient is φ = 227155968.

The previous prime is 724060867. The next prime is 724060901. The reversal of 724060872 is 278060427.

724060872 is a `hidden beast` number, since 7 + 2 + 40 + 608 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 713210436 + 10850436 = 26706^2 + 3294^2 .

It is a super-2 number, since 2×724060872² = 1048528292722800768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 294553 + ... + 297000.

Almost surely, 2^724060872 is an apocalyptic number.

724060872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

724060872 is an abundant number, since it is smaller than the sum of its proper divisors (1352293668).

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

724060872 is a wasteful number, since it uses less digits than its factorization.

724060872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591582 (or 591575 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 724060872 is about 26908.3792154043. The cubic root of 724060872 is about 897.9628293336.

The spelling of 724060872 in words is "seven hundred twenty-four million, sixty thousand, eight hundred seventy-two".