7665697 has 8 divisors (see below), whose sum is σ = 8479016. Its totient is φ = 6884352.

The previous prime is 7665667. The next prime is 7665703. The reversal of 7665697 is 7965667.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 5716881 = 1396^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7665697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7665667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7488 + ... + 8449.

It is an arithmetic number, because the mean of its divisors is an integer number (1059877).

Almost surely, 2^7665697 is an apocalyptic number.

It is an amenable number.

7665697 is a deficient number, since it is larger than the sum of its proper divisors (813319).

7665697 is a wasteful number, since it uses less digits than its factorization.

7665697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987.

The product of its digits is 476280, while the sum is 46.

The square root of 7665697 is about 2768.6995142124. The cubic root of 7665697 is about 197.1744098636.

The spelling of 7665697 in words is "seven million, six hundred sixty-five thousand, six hundred ninety-seven".