712638975 has 24 divisors (see below), whose sum is σ = 1189681792. Its totient is φ = 376380000.

The previous prime is 712638973. The next prime is 712638989. The reversal of 712638975 is 579836217.

It is not a de Polignac number, because 712638975 - 2¹ = 712638973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712638973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38401 + ... + 53850.

Almost surely, 2^712638975 is an apocalyptic number.

712638975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

712638975 is a deficient number, since it is larger than the sum of its proper divisors (477042817).

712638975 is a wasteful number, since it uses less digits than its factorization.

712638975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92367 (or 92362 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 712638975 is about 26695.2987434117. The cubic root of 712638975 is about 893.2160610178.

The spelling of 712638975 in words is "seven hundred twelve million, six hundred thirty-eight thousand, nine hundred seventy-five".