722975 has 18 divisors (see below), whose sum is σ = 989520. Its totient is φ = 523600.

The previous prime is 722971. The next prime is 722977. The reversal of 722975 is 579227.

It is not a de Polignac number, because 722975 - 2² = 722971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722971) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2906 + ... + 3144.

2⁷²²⁹⁷⁵ is an apocalyptic number.

722975 is a deficient number, since it is larger than the sum of its proper divisors (266545).

722975 is a wasteful number, since it uses less digits than its factorization.

722975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 255 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 722975 is about 850.2793658557. The cubic root of 722975 is about 89.7513713992.

The spelling of 722975 in words is "seven hundred twenty-two thousand, nine hundred seventy-five".