90870752 has 48 divisors (see below), whose sum is σ = 205117920. Its totient is φ = 38819328.

The previous prime is 90870751. The next prime is 90870757. The reversal of 90870752 is 25707809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90870751) 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, 113618 + ... + 114414.

It is an arithmetic number, because the mean of its divisors is an integer number (4273290).

Almost surely, 2^90870752 is an apocalyptic number.

It is an amenable number.

90870752 is an abundant number, since it is smaller than the sum of its proper divisors (114247168).

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

90870752 is a wasteful number, since it uses less digits than its factorization.

90870752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 90870752 is about 9532.6151710850. The cubic root of 90870752 is about 449.5810949359.

The spelling of 90870752 in words is "ninety million, eight hundred seventy thousand, seven hundred fifty-two".