90620474 has 16 divisors (see below), whose sum is σ = 159548928. Its totient is φ = 37787472.

The previous prime is 90620461. The next prime is 90620527. The reversal of 90620474 is 47402609.

It is a self number, because there is not a number n which added to its sum of digits gives 90620474.

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, 86954 + ... + 87989.

It is an arithmetic number, because the mean of its divisors is an integer number (9971808).

Almost surely, 2^90620474 is an apocalyptic number.

90620474 is a deficient number, since it is larger than the sum of its proper divisors (68928454).

90620474 is a wasteful number, since it uses less digits than its factorization.

90620474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174989.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 90620474 is about 9519.4786621957. The cubic root of 90620474 is about 449.1679670776.

The spelling of 90620474 in words is "ninety million, six hundred twenty thousand, four hundred seventy-four".