6699429 has 40 divisors (see below), whose sum is σ = 11174592. Its totient is φ = 3965760.

The previous prime is 6699421. The next prime is 6699439. The reversal of 6699429 is 9249966.

It is not a de Polignac number, because 6699429 - 2³ = 6699421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6699421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64992 + ... + 65094.

Almost surely, 2^6699429 is an apocalyptic number.

It is an amenable number.

6699429 is a deficient number, since it is larger than the sum of its proper divisors (4475163).

6699429 is a wasteful number, since it uses less digits than its factorization.

6699429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 190 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 6699429 is about 2588.3255204862. The cubic root of 6699429 is about 188.5150074710.

The spelling of 6699429 in words is "six million, six hundred ninety-nine thousand, four hundred twenty-nine".