90768370 has 32 divisors (see below), whose sum is σ = 203700096. Its totient is φ = 28291200.

The previous prime is 90768361. The next prime is 90768371. The reversal of 90768370 is 7386709.

It is not an unprimeable number, because it can be changed into a prime (90768371) 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 15 ways as a sum of consecutive naturals, for example, 58171 + ... + 59710.

It is an arithmetic number, because the mean of its divisors is an integer number (6365628).

Almost surely, 2^90768370 is an apocalyptic number.

90768370 is an abundant number, since it is smaller than the sum of its proper divisors (112931726).

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

90768370 is a wasteful number, since it uses less digits than its factorization.

90768370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117906.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 90768370 is about 9527.2435677902. The cubic root of 90768370 is about 449.4121872361.

The spelling of 90768370 in words is "ninety million, seven hundred sixty-eight thousand, three hundred seventy".