680939575 has 24 divisors (see below), whose sum is σ = 919472400. Its totient is φ = 498274560.

The previous prime is 680939551. The next prime is 680939599. The reversal of 680939575 is 575939086.

It is an interprime number because it is at equal distance from previous prime (680939551) and next prime (680939599).

It is not a de Polignac number, because 680939575 - 2⁵ = 680939543 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 10942 + ... + 38491.

It is an arithmetic number, because the mean of its divisors is an integer number (38311350).

Almost surely, 2^680939575 is an apocalyptic number.

680939575 is a deficient number, since it is larger than the sum of its proper divisors (238532825).

680939575 is a wasteful number, since it uses less digits than its factorization.

680939575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49491 (or 49486 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 680939575 is about 26094.8189302015. The cubic root of 680939575 is about 879.7707628620.

The spelling of 680939575 in words is "six hundred eighty million, nine hundred thirty-nine thousand, five hundred seventy-five".