90473312 has 24 divisors (see below), whose sum is σ = 180632592. Its totient is φ = 44598400.

The previous prime is 90473297. The next prime is 90473323. The reversal of 90473312 is 21337409.

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, 17639 + ... + 22182.

It is an arithmetic number, because the mean of its divisors is an integer number (7526358).

Almost surely, 2^90473312 is an apocalyptic number.

It is an amenable number.

90473312 is a deficient number, since it is larger than the sum of its proper divisors (90159280).

90473312 is a wasteful number, since it uses less digits than its factorization.

90473312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39902 (or 39894 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 90473312 is about 9511.7460016550. The cubic root of 90473312 is about 448.9246950855.

The spelling of 90473312 in words is "ninety million, four hundred seventy-three thousand, three hundred twelve".