6699772 has 12 divisors (see below), whose sum is σ = 11756920. Its totient is φ = 3340656.

The previous prime is 6699767. The next prime is 6699779. The reversal of 6699772 is 2779966.

It is a d-powerful number, because it can be written as 6⁴ + 6⁸ + 9² + 9⁷ + 7⁶ + 7⁶ + 2⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522 + ... + 3697.

Almost surely, 2^6699772 is an apocalyptic number.

It is an amenable number.

6699772 is a deficient number, since it is larger than the sum of its proper divisors (5057148).

6699772 is a wasteful number, since it uses less digits than its factorization.

6699772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620 (or 4618 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 6699772 is about 2588.3917786919. The cubic root of 6699772 is about 188.5182246379.

The spelling of 6699772 in words is "six million, six hundred ninety-nine thousand, seven hundred seventy-two".