724497 has 16 divisors (see below), whose sum is σ = 1017792. Its totient is φ = 457920.

The previous prime is 724487. The next prime is 724499. The reversal of 724497 is 794427.

It is not a de Polignac number, because 724497 - 2⁴ = 724481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718 + ... + 6824.

It is an arithmetic number, because the mean of its divisors is an integer number (63612).

2⁷²⁴⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

724497 is a deficient number, since it is larger than the sum of its proper divisors (293295).

724497 is a wasteful number, since it uses less digits than its factorization.

724497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 14112, while the sum is 33.

The square root of 724497 is about 851.1738952764. The cubic root of 724497 is about 89.8143084956.

It can be divided in two parts, 724 and 497, that added together give a palindrome (1221).

The spelling of 724497 in words is "seven hundred twenty-four thousand, four hundred ninety-seven".