724830380 has 48 divisors (see below), whose sum is σ = 1543782240. Its totient is φ = 285838848.

The previous prime is 724830361. The next prime is 724830401. The reversal of 724830380 is 83038427.

It is a self number, because there is not a number n which added to its sum of digits gives 724830380.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507227 + ... + 508653.

It is an arithmetic number, because the mean of its divisors is an integer number (32162130).

Almost surely, 2^724830380 is an apocalyptic number.

It is an amenable number.

724830380 is an abundant number, since it is smaller than the sum of its proper divisors (818951860).

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

724830380 is a wasteful number, since it uses less digits than its factorization.

724830380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 724830380 is about 26922.6740870962. The cubic root of 724830380 is about 898.2808251288.

The spelling of 724830380 in words is "seven hundred twenty-four million, eight hundred thirty thousand, three hundred eighty".