724700 has 18 divisors (see below), whose sum is σ = 1572816. Its totient is φ = 289840.

The previous prime is 724651. The next prime is 724721. The reversal of 724700 is 7427.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3524 + ... + 3723.

2⁷²⁴⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

724700 is an abundant number, since it is smaller than the sum of its proper divisors (848116).

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

724700 is a wasteful number, since it uses less digits than its factorization.

724700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261 (or 7254 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 724700 is about 851.2931340026. The cubic root of 724700 is about 89.8226962009.

The spelling of 724700 in words is "seven hundred twenty-four thousand, seven hundred", and thus it is an iban number.