68672883018 has 32 divisors (see below), whose sum is σ = 145808717760. Its totient is φ = 21487576320.

The previous prime is 68672883017. The next prime is 68672883031. The reversal of 68672883018 is 81038827686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68672883017) 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, 849553 + ... + 926868.

It is an arithmetic number, because the mean of its divisors is an integer number (4556522430).

Almost surely, 2^68672883018 is an apocalyptic number.

68672883018 is an abundant number, since it is smaller than the sum of its proper divisors (77135834742).

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

68672883018 is a wasteful number, since it uses less digits than its factorization.

68672883018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776822.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 68672883018 in words is "sixty-eight billion, six hundred seventy-two million, eight hundred eighty-three thousand, eighteen".