724524 has 24 divisors (see below), whose sum is σ = 1705200. Its totient is φ = 239424.

The previous prime is 724519. The next prime is 724531. The reversal of 724524 is 425427.

It is a junction number, because it is equal to n+sod(n) for n = 724494 and 724503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (71050).

2⁷²⁴⁵²⁴ is an apocalyptic number.

It is an amenable number.

724524 is an abundant number, since it is smaller than the sum of its proper divisors (980676).

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

724524 is a wasteful number, since it uses less digits than its factorization.

724524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 527 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 724524 is about 851.1897555775. The cubic root of 724524 is about 89.8154241920.

It can be divided in two parts, 7 and 24524, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 724524 in words is "seven hundred twenty-four thousand, five hundred twenty-four".