90379575 has 108 divisors (see below), whose sum is σ = 193836552. Its totient is φ = 39686400.

The previous prime is 90379537. The next prime is 90379577. The reversal of 90379575 is 57597309.

It is a happy number.

90379575 is a `hidden beast` number, since 9 + 0 + 3 + 79 + 575 = 666.

It is not a de Polignac number, because 90379575 - 2⁸ = 90379319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 90379575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90379577) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1705249 + ... + 1705301.

Almost surely, 2^90379575 is an apocalyptic number.

90379575 is an abundant number, since it is smaller than the sum of its proper divisors (103456977).

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

90379575 is a wasteful number, since it uses less digits than its factorization.

90379575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 297675, while the sum is 45.

The square root of 90379575 is about 9506.8172907656. The cubic root of 90379575 is about 448.7696018522.

The spelling of 90379575 in words is "ninety million, three hundred seventy-nine thousand, five hundred seventy-five".