7102090 has 16 divisors (see below), whose sum is σ = 13536072. Its totient is φ = 2673664.

The previous prime is 7102079. The next prime is 7102091. The reversal of 7102090 is 902017.

It can be written as a sum of positive squares in 4 ways, for example, as 6155361 + 946729 = 2481^2 + 973^2 .

It is not an unprimeable number, because it can be changed into a prime (7102091) 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, 20719 + ... + 21058.

Almost surely, 2^7102090 is an apocalyptic number.

7102090 is a deficient number, since it is larger than the sum of its proper divisors (6433982).

7102090 is a wasteful number, since it uses less digits than its factorization.

7102090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41801.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 7102090 is about 2664.9746715494. The cubic root of 7102090 is about 192.2185914622.

The spelling of 7102090 in words is "seven million, one hundred two thousand, ninety".