6609972 has 12 divisors (see below), whose sum is σ = 15423296. Its totient is φ = 2203320.

The previous prime is 6609971. The next prime is 6609973. The reversal of 6609972 is 2799066.

It is an interprime number because it is at equal distance from previous prime (6609971) and next prime (6609973).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×6609972³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6609972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609971) 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, 275404 + ... + 275427.

Almost surely, 2^6609972 is an apocalyptic number.

It is an amenable number.

6609972 is an abundant number, since it is smaller than the sum of its proper divisors (8813324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6609972 is a wasteful number, since it uses less digits than its factorization.

6609972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550838 (or 550836 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 6609972 is about 2570.9865810618. The cubic root of 6609972 is about 187.6721689712.

The spelling of 6609972 in words is "six million, six hundred nine thousand, nine hundred seventy-two".