90573692 has 24 divisors (see below), whose sum is σ = 178493952. Its totient is φ = 39841200.

The previous prime is 90573689. The next prime is 90573697. The reversal of 90573692 is 29637509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90573697) 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, 31838 + ... + 34565.

It is an arithmetic number, because the mean of its divisors is an integer number (7437248).

Almost surely, 2^90573692 is an apocalyptic number.

It is an amenable number.

90573692 is a deficient number, since it is larger than the sum of its proper divisors (87920260).

90573692 is a wasteful number, since it uses less digits than its factorization.

90573692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66449 (or 66447 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 90573692 is about 9517.0211726149. The cubic root of 90573692 is about 449.0906608065.

The spelling of 90573692 in words is "ninety million, five hundred seventy-three thousand, six hundred ninety-two".