74122488618 has 16 divisors (see below), whose sum is σ = 148254398976. Its totient is φ = 24705925920.

The previous prime is 74122488593. The next prime is 74122488679. The reversal of 74122488618 is 81688422147.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288163 + ... + 480918.

It is an arithmetic number, because the mean of its divisors is an integer number (9265899936).

Almost surely, 2^74122488618 is an apocalyptic number.

74122488618 is an abundant number, since it is smaller than the sum of its proper divisors (74131910358).

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

74122488618 is a wasteful number, since it uses less digits than its factorization.

74122488618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785149.

The product of its digits is 1376256, while the sum is 51.

The spelling of 74122488618 in words is "seventy-four billion, one hundred twenty-two million, four hundred eighty-eight thousand, six hundred eighteen".