74677318018 has 8 divisors (see below), whose sum is σ = 112040358012. Its totient is φ = 37330532016.

The previous prime is 74677318003. The next prime is 74677318019. The reversal of 74677318018 is 81081377647.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53859733929 + 20817584089 = 232077^2 + 144283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74677318019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4052005 + ... + 4070392.

Almost surely, 2^74677318018 is an apocalyptic number.

74677318018 is a deficient number, since it is larger than the sum of its proper divisors (37363039994).

74677318018 is a wasteful number, since it uses less digits than its factorization.

74677318018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126996.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 74677318018 in words is "seventy-four billion, six hundred seventy-seven million, three hundred eighteen thousand, eighteen".