7117690 has 16 divisors (see below), whose sum is σ = 13158792. Its totient is φ = 2769984.

The previous prime is 7117667. The next prime is 7117697. The reversal of 7117690 is 967117.

It can be written as a sum of positive squares in 4 ways, for example, as 5774409 + 1343281 = 2403^2 + 1159^2 .

It is a super-2 number, since 2×7117690² = 101323021872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7117697) 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, 9249 + ... + 9988.

Almost surely, 2^7117690 is an apocalyptic number.

7117690 is a deficient number, since it is larger than the sum of its proper divisors (6041102).

7117690 is a wasteful number, since it uses less digits than its factorization.

7117690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 7117690 is about 2667.8999231605. The cubic root of 7117690 is about 192.3592269270.

The spelling of 7117690 in words is "seven million, one hundred seventeen thousand, six hundred ninety".