7090090 has 16 divisors (see below), whose sum is σ = 14585472. Its totient is φ = 2430864.

The previous prime is 7090087. The next prime is 7090093. The reversal of 7090090 is 900907.

It is an interprime number because it is at equal distance from previous prime (7090087) and next prime (7090093).

It is not an unprimeable number, because it can be changed into a prime (7090093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50574 + ... + 50713.

It is an arithmetic number, because the mean of its divisors is an integer number (911592).

Almost surely, 2^7090090 is an apocalyptic number.

7090090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7090090 is an abundant number, since it is smaller than the sum of its proper divisors (7495382).

7090090 is a wasteful number, since it uses less digits than its factorization.

7090090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101301.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 7090090 is about 2662.7222911900. The cubic root of 7090090 is about 192.1102701351.

Adding to 7090090 its reverse (900907), we get a palindrome (7990997).

The spelling of 7090090 in words is "seven million, ninety thousand, ninety".