90437492634 has 8 divisors (see below), whose sum is σ = 180874985280. Its totient is φ = 30145830876.

The previous prime is 90437492591. The next prime is 90437492657. The reversal of 90437492634 is 43629473409.

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

90437492634 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536457714 + ... + 7536457725.

It is an arithmetic number, because the mean of its divisors is an integer number (22609373160).

Almost surely, 2^90437492634 is an apocalyptic number.

90437492634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90437492634 is a wasteful number, since it uses less digits than its factorization.

90437492634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072915444.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 90437492634 in words is "ninety billion, four hundred thirty-seven million, four hundred ninety-two thousand, six hundred thirty-four".