90370512 has 80 divisors (see below), whose sum is σ = 264358080. Its totient is φ = 29547648.

The previous prime is 90370451. The next prime is 90370523. The reversal of 90370512 is 21507309.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20923 + ... + 24869.

It is an arithmetic number, because the mean of its divisors is an integer number (3304476).

Almost surely, 2^90370512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90370512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132179040).

90370512 is an abundant number, since it is smaller than the sum of its proper divisors (173987568).

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

90370512 is a wasteful number, since it uses less digits than its factorization.

90370512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 90370512 is about 9506.3406208698. The cubic root of 90370512 is about 448.7546009155.

The spelling of 90370512 in words is "ninety million, three hundred seventy thousand, five hundred twelve".