90910474 has 16 divisors (see below), whose sum is σ = 138404160. Its totient is φ = 44779680.

The previous prime is 90910453. The next prime is 90910493. The reversal of 90910474 is 47401909.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58147 + ... + 59689.

It is an arithmetic number, because the mean of its divisors is an integer number (8650260).

Almost surely, 2^90910474 is an apocalyptic number.

90910474 is a deficient number, since it is larger than the sum of its proper divisors (47493686).

90910474 is a wasteful number, since it uses less digits than its factorization.

90910474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 90910474 is about 9534.6984220792. The cubic root of 90910474 is about 449.6465933072.

The spelling of 90910474 in words is "ninety million, nine hundred ten thousand, four hundred seventy-four".