7691697 has 24 divisors (see below), whose sum is σ = 12066600. Its totient is φ = 4721184.

The previous prime is 7691669. The next prime is 7691707. The reversal of 7691697 is 7961967.

It can be written as a sum of positive squares in 4 ways, for example, as 3381921 + 4309776 = 1839^2 + 2076^2 .

It is not a de Polignac number, because 7691697 - 2⁷ = 7691569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7691617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19579 + ... + 19967.

It is an arithmetic number, because the mean of its divisors is an integer number (502775).

Almost surely, 2^7691697 is an apocalyptic number.

It is an amenable number.

7691697 is a deficient number, since it is larger than the sum of its proper divisors (4374903).

7691697 is a wasteful number, since it uses less digits than its factorization.

7691697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 405 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 7691697 is about 2773.3908848195. The cubic root of 7691697 is about 197.3970793137.

The spelling of 7691697 in words is "seven million, six hundred ninety-one thousand, six hundred ninety-seven".