90920074 has 16 divisors (see below), whose sum is σ = 156094848. Its totient is φ = 38907792.

The previous prime is 90920059. The next prime is 90920077. The reversal of 90920074 is 47002909.

It is not an unprimeable number, because it can be changed into a prime (90920077) 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 7 ways as a sum of consecutive naturals, for example, 5712 + ... + 14644.

It is an arithmetic number, because the mean of its divisors is an integer number (9755928).

Almost surely, 2^90920074 is an apocalyptic number.

90920074 is a deficient number, since it is larger than the sum of its proper divisors (65174774).

90920074 is a wasteful number, since it uses less digits than its factorization.

90920074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9669.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 90920074 is about 9535.2018332073. The cubic root of 90920074 is about 449.6624200694.

The spelling of 90920074 in words is "ninety million, nine hundred twenty thousand, seventy-four".