90874758 has 64 divisors (see below), whose sum is σ = 218211840. Its totient is φ = 24924672.

The previous prime is 90874709. The next prime is 90874759. The reversal of 90874758 is 85747809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90874759) 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 31 ways as a sum of consecutive naturals, for example, 23391 + ... + 26997.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^90874758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90874758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109105920).

90874758 is an abundant number, since it is smaller than the sum of its proper divisors (127337082).

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

90874758 is a wasteful number, since it uses less digits than its factorization.

90874758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 90874758 is about 9532.8252894931. The cubic root of 90874758 is about 449.5877013718.

The spelling of 90874758 in words is "ninety million, eight hundred seventy-four thousand, seven hundred fifty-eight".