724922 has 16 divisors (see below), whose sum is σ = 1203552. Its totient is φ = 324720.

The previous prime is 724903. The next prime is 724939. The reversal of 724922 is 229427.

It is a junction number, because it is equal to n+sod(n) for n = 724891 and 724900.

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, 1628 + ... + 2024.

It is an arithmetic number, because the mean of its divisors is an integer number (75222).

2⁷²⁴⁹²² is an apocalyptic number.

724922 is a deficient number, since it is larger than the sum of its proper divisors (478630).

724922 is a wasteful number, since it uses less digits than its factorization.

724922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its digits is 2016, while the sum is 26.

The square root of 724922 is about 851.4235138872. The cubic root of 724922 is about 89.8318671695.

It can be divided in two parts, 72 and 4922, that added together give a palindrome (4994).

The spelling of 724922 in words is "seven hundred twenty-four thousand, nine hundred twenty-two".