90613746 has 12 divisors (see below), whose sum is σ = 196329822. Its totient is φ = 30204576.

The previous prime is 90613687. The next prime is 90613751. The reversal of 90613746 is 64731609.

It can be written as a sum of positive squares in only one way, i.e., 81703521 + 8910225 = 9039^2 + 2985^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90613746.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2517031 + ... + 2517066.

Almost surely, 2^90613746 is an apocalyptic number.

90613746 is an abundant number, since it is smaller than the sum of its proper divisors (105716076).

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

90613746 is a wasteful number, since it uses less digits than its factorization.

90613746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034105 (or 5034102 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90613746 is about 9519.1252749399. The cubic root of 90613746 is about 449.1568508374.

The spelling of 90613746 in words is "ninety million, six hundred thirteen thousand, seven hundred forty-six".