6972147 has 24 divisors (see below), whose sum is σ = 12396384. Its totient is φ = 3677184.

The previous prime is 6972127. The next prime is 6972233. The reversal of 6972147 is 7412796.

It is a happy number.

6972147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6972147 - 2⁷ = 6972019 is a prime.

It is a super-2 number, since 2×6972147² = 97221667579218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6972127) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 3438 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (516516).

Almost surely, 2^6972147 is an apocalyptic number.

6972147 is a deficient number, since it is larger than the sum of its proper divisors (5424237).

6972147 is a wasteful number, since it uses less digits than its factorization.

6972147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539 (or 8536 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 6972147 is about 2640.4823423004. The cubic root of 6972147 is about 191.0390625769.

The spelling of 6972147 in words is "six million, nine hundred seventy-two thousand, one hundred forty-seven".