724380 has 24 divisors (see below), whose sum is σ = 2028432. Its totient is φ = 193152.

The previous prime is 724331. The next prime is 724393. The reversal of 724380 is 83427.

724380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 724380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5977 + ... + 6096.

It is an arithmetic number, because the mean of its divisors is an integer number (84518).

2⁷²⁴³⁸⁰ is an apocalyptic number.

It is an amenable number.

724380 is an abundant number, since it is smaller than the sum of its proper divisors (1304052).

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

724380 is a wasteful number, since it uses less digits than its factorization.

724380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12085 (or 12083 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 724380 is about 851.1051638899. The cubic root of 724380 is about 89.8094734906.

The spelling of 724380 in words is "seven hundred twenty-four thousand, three hundred eighty".