90313750 has 20 divisors (see below), whose sum is σ = 169286436. Its totient is φ = 36125000.

The previous prime is 90313739. The next prime is 90313753. The reversal of 90313750 is 5731309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90313753) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34876 + ... + 37375.

Almost surely, 2^90313750 is an apocalyptic number.

90313750 is a deficient number, since it is larger than the sum of its proper divisors (78972686).

90313750 is an equidigital number, since it uses as much as digits as its factorization.

90313750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72273 (or 72258 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 90313750 is about 9503.3546708518. The cubic root of 90313750 is about 448.6606265168.

The spelling of 90313750 in words is "ninety million, three hundred thirteen thousand, seven hundred fifty".