90324373 has 4 divisors (see below), whose sum is σ = 90343468. Its totient is φ = 90305280.

The previous prime is 90324361. The next prime is 90324379. The reversal of 90324373 is 37342309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37342309 = 61 ⋅612169.

It can be written as a sum of positive squares in 2 ways, for example, as 46539684 + 43784689 = 6822^2 + 6617^2 .

It is a cyclic number.

It is not a de Polignac number, because 90324373 - 2²⁵ = 56769941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90324379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415 + ... + 13867.

It is an arithmetic number, because the mean of its divisors is an integer number (22585867).

Almost surely, 2^90324373 is an apocalyptic number.

It is an amenable number.

90324373 is a deficient number, since it is larger than the sum of its proper divisors (19095).

90324373 is a wasteful number, since it uses less digits than its factorization.

90324373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 90324373 is about 9503.9135623174. The cubic root of 90324373 is about 448.6782168061.

The spelling of 90324373 in words is "ninety million, three hundred twenty-four thousand, three hundred seventy-three".