7668997 has 16 divisors (see below), whose sum is σ = 9216000. Its totient is φ = 6243120.

The previous prime is 7668977. The next prime is 7669001. The reversal of 7668997 is 7998667.

It is a cyclic number.

It is not a de Polignac number, because 7668997 - 2¹⁵ = 7636229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12504 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (576000).

Almost surely, 2^7668997 is an apocalyptic number.

It is an amenable number.

7668997 is a deficient number, since it is larger than the sum of its proper divisors (1547003).

7668997 is a wasteful number, since it uses less digits than its factorization.

7668997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its digits is 1143072, while the sum is 52.

The square root of 7668997 is about 2769.2953977501. The cubic root of 7668997 is about 197.2026996244.

The spelling of 7668997 in words is "seven million, six hundred sixty-eight thousand, nine hundred ninety-seven".