7442090 has 16 divisors (see below), whose sum is σ = 14184072. Its totient is φ = 2801664.

The previous prime is 7442081. The next prime is 7442093. The reversal of 7442090 is 902447.

It can be written as a sum of positive squares in 4 ways, for example, as 4853209 + 2588881 = 2203^2 + 1609^2 .

It is not an unprimeable number, because it can be changed into a prime (7442093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21719 + ... + 22058.

Almost surely, 2^7442090 is an apocalyptic number.

7442090 is a deficient number, since it is larger than the sum of its proper divisors (6741982).

7442090 is a wasteful number, since it uses less digits than its factorization.

7442090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43801.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 7442090 is about 2728.0194280833. The cubic root of 7442090 is about 195.2382798314.

The spelling of 7442090 in words is "seven million, four hundred forty-two thousand, ninety".