90075875 has 8 divisors (see below), whose sum is σ = 112414848. Its totient is φ = 72060600.

The previous prime is 90075859. The next prime is 90075913. The reversal of 90075875 is 57857009.

It is a happy number.

It is not a de Polignac number, because 90075875 - 2⁴ = 90075859 is a prime.

It is a super-2 number, since 2×90075875² = 16227326514031250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360179 + ... + 360428.

It is an arithmetic number, because the mean of its divisors is an integer number (14051856).

Almost surely, 2^90075875 is an apocalyptic number.

90075875 is a deficient number, since it is larger than the sum of its proper divisors (22338973).

90075875 is an equidigital number, since it uses as much as digits as its factorization.

90075875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720622 (or 720612 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 90075875 is about 9490.8311016475. The cubic root of 90075875 is about 448.2663750543.

The spelling of 90075875 in words is "ninety million, seventy-five thousand, eight hundred seventy-five".