90415472 has 20 divisors (see below), whose sum is σ = 200205936. Its totient is φ = 38749440.

The previous prime is 90415463. The next prime is 90415477. The reversal of 90415472 is 27451409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90415477) 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, 403529 + ... + 403752.

Almost surely, 2^90415472 is an apocalyptic number.

It is an amenable number.

90415472 is an abundant number, since it is smaller than the sum of its proper divisors (109790464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90415472 is a wasteful number, since it uses less digits than its factorization.

90415472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807296 (or 807290 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 90415472 is about 9508.7050643082. The cubic root of 90415472 is about 448.8290081582.

The spelling of 90415472 in words is "ninety million, four hundred fifteen thousand, four hundred seventy-two".