7500090 has 32 divisors (see below), whose sum is σ = 19385856. Its totient is φ = 1846080.

The previous prime is 7500071. The next prime is 7500091. The reversal of 7500090 is 900057.

7500090 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7500091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9226 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (605808).

Almost surely, 2^7500090 is an apocalyptic number.

7500090 is an abundant number, since it is smaller than the sum of its proper divisors (11885766).

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

7500090 is a wasteful number, since it uses less digits than its factorization.

7500090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19254.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 7500090 is about 2738.6292191533. The cubic root of 7500090 is about 195.7441650288.

The spelling of 7500090 in words is "seven million, five hundred thousand, ninety".