90752244 has 24 divisors (see below), whose sum is σ = 231006048. Its totient is φ = 27500640.

The previous prime is 90752243. The next prime is 90752257. The reversal of 90752244 is 44225709.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90752243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 343627 + ... + 343890.

It is an arithmetic number, because the mean of its divisors is an integer number (9625252).

Almost surely, 2^90752244 is an apocalyptic number.

It is an amenable number.

90752244 is an abundant number, since it is smaller than the sum of its proper divisors (140253804).

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

90752244 is a wasteful number, since it uses less digits than its factorization.

90752244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687535 (or 687533 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 90752244 is about 9526.3972203557. The cubic root of 90752244 is about 449.3855713193.

The spelling of 90752244 in words is "ninety million, seven hundred fifty-two thousand, two hundred forty-four".