90124575 has 24 divisors (see below), whose sum is σ = 149478528. Its totient is φ = 47914080.

The previous prime is 90124571. The next prime is 90124589. The reversal of 90124575 is 57542109.

It is not a de Polignac number, because 90124575 - 2² = 90124571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90124571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24294 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (6228272).

Almost surely, 2^90124575 is an apocalyptic number.

90124575 is a deficient number, since it is larger than the sum of its proper divisors (59353953).

90124575 is a wasteful number, since it uses less digits than its factorization.

90124575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 90124575 is about 9493.3963890696. The cubic root of 90124575 is about 448.3471463647.

The spelling of 90124575 in words is "ninety million, one hundred twenty-four thousand, five hundred seventy-five".