68274745670 has 16 divisors (see below), whose sum is σ = 130123633248. Its totient is φ = 25703433600.

The previous prime is 68274745667. The next prime is 68274745699. The reversal of 68274745670 is 7654747286.

It is a super-2 number, since 2×68274745670² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200807906 + ... + 200808245.

It is an arithmetic number, because the mean of its divisors is an integer number (8132727078).

Almost surely, 2^68274745670 is an apocalyptic number.

68274745670 is a deficient number, since it is larger than the sum of its proper divisors (61848887578).

68274745670 is a wasteful number, since it uses less digits than its factorization.

68274745670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401616175.

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 68274745670 in words is "sixty-eight billion, two hundred seventy-four million, seven hundred forty-five thousand, six hundred seventy".