6699775 has 12 divisors (see below), whose sum is σ = 8533432. Its totient is φ = 5214240.

The previous prime is 6699767. The next prime is 6699779. The reversal of 6699775 is 5779966.

It is not a de Polignac number, because 6699775 - 2³ = 6699767 is a prime.

It is a Duffinian number.

Its product of digits (714420) is a multiple of the sum of its prime factors (7290).

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 11 ways as a sum of consecutive naturals, for example, 2697 + ... + 4546.

Almost surely, 2^6699775 is an apocalyptic number.

6699775 is a deficient number, since it is larger than the sum of its proper divisors (1833657).

6699775 is a wasteful number, since it uses less digits than its factorization.

6699775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7285 counting only the distinct ones).

The product of its digits is 714420, while the sum is 49.

The square root of 6699775 is about 2588.3923582023. The cubic root of 6699775 is about 188.5182527759.

The spelling of 6699775 in words is "six million, six hundred ninety-nine thousand, seven hundred seventy-five".