90611792 has 20 divisors (see below), whose sum is σ = 175965300. Its totient is φ = 45201408.

The previous prime is 90611767. The next prime is 90611803. The reversal of 90611792 is 29711609.

It can be written as a sum of positive squares in 2 ways, for example, as 46840336 + 43771456 = 6844^2 + 6616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (8798265).

Almost surely, 2^90611792 is an apocalyptic number.

It is an amenable number.

90611792 is a deficient number, since it is larger than the sum of its proper divisors (85353508).

90611792 is a wasteful number, since it uses less digits than its factorization.

90611792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13070 (or 13064 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 90611792 is about 9519.0226389057. The cubic root of 90611792 is about 449.1536222662.

The spelling of 90611792 in words is "ninety million, six hundred eleven thousand, seven hundred ninety-two".