90684373 has 8 divisors (see below), whose sum is σ = 100300088. Its totient is φ = 81445824.

The previous prime is 90684371. The next prime is 90684383. The reversal of 90684373 is 37348609.

It can be written as a sum of positive squares in 4 ways, for example, as 28068804 + 62615569 = 5298^2 + 7913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90684373 - 2¹ = 90684371 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 (90684371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93786 + ... + 94747.

It is an arithmetic number, because the mean of its divisors is an integer number (12537511).

Almost surely, 2^90684373 is an apocalyptic number.

It is an amenable number.

90684373 is a deficient number, since it is larger than the sum of its proper divisors (9615715).

90684373 is a wasteful number, since it uses less digits than its factorization.

90684373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188583.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 90684373 is about 9522.8342944735. The cubic root of 90684373 is about 449.2735158543.

The spelling of 90684373 in words is "ninety million, six hundred eighty-four thousand, three hundred seventy-three".