662975 has 12 divisors (see below), whose sum is σ = 858576. Its totient is φ = 506880.

The previous prime is 662957. The next prime is 662999. The reversal of 662975 is 579266.

It is not a de Polignac number, because 662975 - 2⁸ = 662719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (71548).

2⁶⁶²⁹⁷⁵ is an apocalyptic number.

662975 is a deficient number, since it is larger than the sum of its proper divisors (195601).

662975 is a wasteful number, since it uses less digits than its factorization.

662975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1181 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 662975 is about 814.2327677022. The cubic root of 662975 is about 87.1964995228.

The spelling of 662975 in words is "six hundred sixty-two thousand, nine hundred seventy-five".