6699972 has 24 divisors (see below), whose sum is σ = 16553376. Its totient is φ = 2101888.

The previous prime is 6699961. The next prime is 6699977. The reversal of 6699972 is 2799966.

It is a happy number.

6699972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6699977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16218 + ... + 16625.

It is an arithmetic number, because the mean of its divisors is an integer number (689724).

Almost surely, 2^6699972 is an apocalyptic number.

It is an amenable number.

6699972 is an abundant number, since it is smaller than the sum of its proper divisors (9853404).

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

6699972 is a wasteful number, since it uses less digits than its factorization.

6699972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32867 (or 32865 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 6699972 is about 2588.4304124314. The cubic root of 6699972 is about 188.5201004863.

The spelling of 6699972 in words is "six million, six hundred ninety-nine thousand, nine hundred seventy-two".