6977974 has 4 divisors (see below), whose sum is σ = 10466964. Its totient is φ = 3488986.

The previous prime is 6977969. The next prime is 6978001. The reversal of 6977974 is 4797796.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6977974² = 97384242289352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744492 + ... + 1744495.

It is an arithmetic number, because the mean of its divisors is an integer number (2616741).

Almost surely, 2^6977974 is an apocalyptic number.

6977974 is a deficient number, since it is larger than the sum of its proper divisors (3488990).

6977974 is a wasteful number, since it uses less digits than its factorization.

6977974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488989.

The product of its digits is 666792, while the sum is 49.

The square root of 6977974 is about 2641.5855087428. The cubic root of 6977974 is about 191.0922683133.

The spelling of 6977974 in words is "six million, nine hundred seventy-seven thousand, nine hundred seventy-four".