6972872 has 16 divisors (see below), whose sum is σ = 13428060. Its totient is φ = 3392064.

The previous prime is 6972871. The next prime is 6972877. The reversal of 6972872 is 2782796.

It can be written as a sum of positive squares in 2 ways, for example, as 6832996 + 139876 = 2614^2 + 374^2 .

It is not an unprimeable number, because it can be changed into a prime (6972871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483 + ... + 12074.

Almost surely, 2^6972872 is an apocalyptic number.

It is an amenable number.

6972872 is a deficient number, since it is larger than the sum of its proper divisors (6455188).

6972872 is a wasteful number, since it uses less digits than its factorization.

6972872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23600 (or 23596 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 6972872 is about 2640.6196242549. The cubic root of 6972872 is about 191.0456840916.

The spelling of 6972872 in words is "six million, nine hundred seventy-two thousand, eight hundred seventy-two".