7668775 has 12 divisors (see below), whose sum is σ = 9923472. Its totient is φ = 5867840.

The previous prime is 7668757. The next prime is 7668823. The reversal of 7668775 is 5778667.

It is not a de Polignac number, because 7668775 - 2¹⁵ = 7636007 is a prime.

It is a super-2 number, since 2×7668775² = 117620220001250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6094 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 2^7668775 is an apocalyptic number.

7668775 is a deficient number, since it is larger than the sum of its proper divisors (2254697).

7668775 is a wasteful number, since it uses less digits than its factorization.

7668775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13370 (or 13365 counting only the distinct ones).

The product of its digits is 493920, while the sum is 46.

The square root of 7668775 is about 2769.2553150622. The cubic root of 7668775 is about 197.2007967497.

The spelling of 7668775 in words is "seven million, six hundred sixty-eight thousand, seven hundred seventy-five".