724797 has 12 divisors (see below), whose sum is σ = 1083420. Its totient is φ = 466368.

The previous prime is 724783. The next prime is 724807. The reversal of 724797 is 797427.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 488601 = 486^2 + 699^2 .

It is not a de Polignac number, because 724797 - 2⁴ = 724781 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (90285).

2⁷²⁴⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

724797 is a deficient number, since it is larger than the sum of its proper divisors (358623).

724797 is a wasteful number, since it uses less digits than its factorization.

724797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2809 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 724797 is about 851.3501042462. The cubic root of 724797 is about 89.8267035662.

It can be divided in two parts, 724 and 797, that added together give a square (1521 = 39²).

The spelling of 724797 in words is "seven hundred twenty-four thousand, seven hundred ninety-seven".