90749182 has 4 divisors (see below), whose sum is σ = 136123776. Its totient is φ = 45374590.

The previous prime is 90749177. The next prime is 90749189. The reversal of 90749182 is 28194709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28194709 = 229 ⋅123121.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90749189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22687294 + ... + 22687297.

It is an arithmetic number, because the mean of its divisors is an integer number (34030944).

Almost surely, 2^90749182 is an apocalyptic number.

90749182 is a deficient number, since it is larger than the sum of its proper divisors (45374594).

90749182 is a wasteful number, since it uses less digits than its factorization.

90749182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45374593.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 90749182 is about 9526.2365076666. The cubic root of 90749182 is about 449.3805171408.

The spelling of 90749182 in words is "ninety million, seven hundred forty-nine thousand, one hundred eighty-two".