724546 has 16 divisors (see below), whose sum is σ = 1195200. Its totient is φ = 327888.

The previous prime is 724531. The next prime is 724547. The reversal of 724546 is 645427.

724546 is nontrivially palindromic in base 5.

It is a super-2 number, since 2×724546² = 1049933812232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (724547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (74700).

2⁷²⁴⁵⁴⁶ is an apocalyptic number.

724546 is a deficient number, since it is larger than the sum of its proper divisors (470654).

724546 is a wasteful number, since it uses less digits than its factorization.

724546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its digits is 6720, while the sum is 28.

The square root of 724546 is about 851.2026785672. The cubic root of 724546 is about 89.8163332575.

The spelling of 724546 in words is "seven hundred twenty-four thousand, five hundred forty-six".