6977972 has 6 divisors (see below), whose sum is σ = 12211458. Its totient is φ = 3488984.

The previous prime is 6977969. The next prime is 6978001. The reversal of 6977972 is 2797796.

It can be written as a sum of positive squares in only one way, i.e., 4301476 + 2676496 = 2074^2 + 1636^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872243 + ... + 872250.

It is an arithmetic number, because the mean of its divisors is an integer number (2035243).

Almost surely, 2^6977972 is an apocalyptic number.

It is an amenable number.

6977972 is a deficient number, since it is larger than the sum of its proper divisors (5233486).

6977972 is a wasteful number, since it uses less digits than its factorization.

6977972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744497 (or 1744495 counting only the distinct ones).

The product of its digits is 333396, while the sum is 47.

The square root of 6977972 is about 2641.5851301823. The cubic root of 6977972 is about 191.0922500566.

The spelling of 6977972 in words is "six million, nine hundred seventy-seven thousand, nine hundred seventy-two".