90369733674 has 64 divisors (see below), whose sum is σ = 199627960320. Its totient is φ = 27044181120.

The previous prime is 90369733667. The next prime is 90369733693. The reversal of 90369733674 is 47633796309.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5060349 + ... + 5078175.

It is an arithmetic number, because the mean of its divisors is an integer number (3119186880).

Almost surely, 2^90369733674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90369733674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99813980160).

90369733674 is an abundant number, since it is smaller than the sum of its proper divisors (109258226646).

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

90369733674 is a wasteful number, since it uses less digits than its factorization.

90369733674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795.

The product of its (nonzero) digits is 15431472, while the sum is 57.

The spelling of 90369733674 in words is "ninety billion, three hundred sixty-nine million, seven hundred thirty-three thousand, six hundred seventy-four".