68756130 has 24 divisors (see below), whose sum is σ = 178766172. Its totient is φ = 18334944.

The previous prime is 68756119. The next prime is 68756153. The reversal of 68756130 is 3165786.

68756130 is a `hidden beast` number, since 68 + 7 + 561 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62299449 + 6456681 = 7893^2 + 2541^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381889 + ... + 382068.

Almost surely, 2^68756130 is an apocalyptic number.

68756130 is an abundant number, since it is smaller than the sum of its proper divisors (110010042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68756130 is a wasteful number, since it uses less digits than its factorization.

68756130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763970 (or 763967 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 68756130 is about 8291.9316205574. The cubic root of 68756130 is about 409.6728105491.

It can be divided in two parts, 68756 and 130, that added together give a palindrome (68886).

The spelling of 68756130 in words is "sixty-eight million, seven hundred fifty-six thousand, one hundred thirty".