722952 has 32 divisors (see below), whose sum is σ = 2008800. Its totient is φ = 240912.

The previous prime is 722933. The next prime is 722963. The reversal of 722952 is 259227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

722952 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458 + ... + 1889.

It is an arithmetic number, because the mean of its divisors is an integer number (62775).

2⁷²²⁹⁵² is an apocalyptic number.

722952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

722952 is an abundant number, since it is smaller than the sum of its proper divisors (1285848).

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

722952 is a wasteful number, since it uses less digits than its factorization.

722952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3352 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 722952 is about 850.2658407816. The cubic root of 722952 is about 89.7504196358.

The spelling of 722952 in words is "seven hundred twenty-two thousand, nine hundred fifty-two".