90624774 has 16 divisors (see below), whose sum is σ = 181570608. Its totient is φ = 30154752.

The previous prime is 90624769. The next prime is 90624823. The reversal of 90624774 is 47742609.

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 7 ways as a sum of consecutive naturals, for example, 9627 + ... + 16550.

It is an arithmetic number, because the mean of its divisors is an integer number (11348163).

Almost surely, 2^90624774 is an apocalyptic number.

90624774 is an abundant number, since it is smaller than the sum of its proper divisors (90945834).

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

90624774 is a wasteful number, since it uses less digits than its factorization.

90624774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26759.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 90624774 is about 9519.7045122210. The cubic root of 90624774 is about 449.1750714019.

The spelling of 90624774 in words is "ninety million, six hundred twenty-four thousand, seven hundred seventy-four".