90751128 has 32 divisors (see below), whose sum is σ = 244330800. Its totient is φ = 27923328.

The previous prime is 90751093. The next prime is 90751147. The reversal of 90751128 is 82115709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145123 + ... + 145746.

Almost surely, 2^90751128 is an apocalyptic number.

It is an amenable number.

90751128 is an abundant number, since it is smaller than the sum of its proper divisors (153579672).

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

90751128 is a wasteful number, since it uses less digits than its factorization.

90751128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290891 (or 290887 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 90751128 is about 9526.3386460906. The cubic root of 90751128 is about 449.3837292478.

The spelling of 90751128 in words is "ninety million, seven hundred fifty-one thousand, one hundred twenty-eight".