68507575 has 24 divisors (see below), whose sum is σ = 87181920. Its totient is φ = 53385600.

The previous prime is 68507561. The next prime is 68507581. The reversal of 68507575 is 57570586.

It is not a de Polignac number, because 68507575 - 2⁷ = 68507447 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

68507575 is a modest number, since divided by 7575 gives 6850 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254541 + ... + 254809.

It is an arithmetic number, because the mean of its divisors is an integer number (3632580).

Almost surely, 2^68507575 is an apocalyptic number.

68507575 is a deficient number, since it is larger than the sum of its proper divisors (18674345).

68507575 is a wasteful number, since it uses less digits than its factorization.

68507575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 68507575 is about 8276.9302884584. The cubic root of 68507575 is about 409.1785555940.

The spelling of 68507575 in words is "sixty-eight million, five hundred seven thousand, five hundred seventy-five".