6977668 has 12 divisors (see below), whose sum is σ = 12411532. Its totient is φ = 3431520.

The previous prime is 6977639. The next prime is 6977681. The reversal of 6977668 is 8667796.

It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 3104644 = 1968^2 + 1762^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14055 + ... + 14542.

Almost surely, 2^6977668 is an apocalyptic number.

It is an amenable number.

6977668 is a deficient number, since it is larger than the sum of its proper divisors (5433864).

6977668 is a wasteful number, since it uses less digits than its factorization.

6977668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28662 (or 28660 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 6977668 is about 2641.5275883473. The cubic root of 6977668 is about 191.0894749959.

The spelling of 6977668 in words is "six million, nine hundred seventy-seven thousand, six hundred sixty-eight".