724764 has 12 divisors (see below), whose sum is σ = 1691144. Its totient is φ = 241584.

The previous prime is 724751. The next prime is 724769. The reversal of 724764 is 467427.

724764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724764.

It is not an unprimeable number, because it can be changed into a prime (724769) by changing a digit.

724764 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30187 + ... + 30210.

2⁷²⁴⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

724764 is an abundant number, since it is smaller than the sum of its proper divisors (966380).

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

724764 is a wasteful number, since it uses less digits than its factorization.

724764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60404 (or 60402 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 724764 is about 851.3307230448. The cubic root of 724764 is about 89.8253402758.

The spelling of 724764 in words is "seven hundred twenty-four thousand, seven hundred sixty-four".