6977975 has 6 divisors (see below), whose sum is σ = 8652720. Its totient is φ = 5582360.

The previous prime is 6977969. The next prime is 6978001. The reversal of 6977975 is 5797796.

It is not a de Polignac number, because 6977975 - 2¹⁰ = 6976951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139535 + ... + 139584.

It is an arithmetic number, because the mean of its divisors is an integer number (1442120).

Almost surely, 2^6977975 is an apocalyptic number.

6977975 is a deficient number, since it is larger than the sum of its proper divisors (1674745).

6977975 is a wasteful number, since it uses less digits than its factorization.

6977975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279129 (or 279124 counting only the distinct ones).

The product of its digits is 833490, while the sum is 50.

The square root of 6977975 is about 2641.5856980231. The cubic root of 6977975 is about 191.0922774417.

The spelling of 6977975 in words is "six million, nine hundred seventy-seven thousand, nine hundred seventy-five".