68274740867 has 16 divisors (see below), whose sum is σ = 70917282432. Its totient is φ = 65683230720.

The previous prime is 68274740857. The next prime is 68274740909. The reversal of 68274740867 is 76804747286.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68274740867 - 2¹² = 68274736771 is a prime.

It is a super-2 number, since 2×68274740867² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68274740857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4858283 + ... + 4872315.

It is an arithmetic number, because the mean of its divisors is an integer number (4432330152).

Almost surely, 2^68274740867 is an apocalyptic number.

68274740867 is a deficient number, since it is larger than the sum of its proper divisors (2642541565).

68274740867 is a wasteful number, since it uses less digits than its factorization.

68274740867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838.

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 68274740867 in words is "sixty-eight billion, two hundred seventy-four million, seven hundred forty thousand, eight hundred sixty-seven".