90027756 has 72 divisors (see below), whose sum is σ = 280096544. Its totient is φ = 23742720.

The previous prime is 90027731. The next prime is 90027779. The reversal of 90027756 is 65772009.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 90027756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10465 + ... + 17016.

Almost surely, 2^90027756 is an apocalyptic number.

It is an amenable number.

90027756 is an abundant number, since it is smaller than the sum of its proper divisors (190068788).

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

90027756 is a wasteful number, since it uses less digits than its factorization.

90027756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27511 (or 27506 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 90027756 is about 9488.2957373809. The cubic root of 90027756 is about 448.1865387614.

The spelling of 90027756 in words is "ninety million, twenty-seven thousand, seven hundred fifty-six".