722953 has 16 divisors (see below), whose sum is σ = 927360. Its totient is φ = 547200.

The previous prime is 722933. The next prime is 722963. The reversal of 722953 is 359227.

It is a cyclic number.

It is not a de Polignac number, because 722953 - 2⁵ = 722921 is a prime.

It is a super-2 number, since 2×722953² = 1045322080418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043 + ... + 3271.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁷²²⁹⁵³ is an apocalyptic number.

It is an amenable number.

722953 is a deficient number, since it is larger than the sum of its proper divisors (204407).

722953 is a wasteful number, since it uses less digits than its factorization.

722953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 3780, while the sum is 28.

The square root of 722953 is about 850.2664288328. The cubic root of 722953 is about 89.7504610172.

It can be divided in two parts, 72 and 2953, that added together give a square (3025 = 55²).

The spelling of 722953 in words is "seven hundred twenty-two thousand, nine hundred fifty-three".