6739899 has 4 divisors (see below), whose sum is σ = 8986536. Its totient is φ = 4493264.

The previous prime is 6739877. The next prime is 6739903. The reversal of 6739899 is 9989376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6739899 - 2⁷ = 6739771 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6739199) 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, 1123314 + ... + 1123319.

It is an arithmetic number, because the mean of its divisors is an integer number (2246634).

Almost surely, 2^6739899 is an apocalyptic number.

6739899 is a deficient number, since it is larger than the sum of its proper divisors (2246637).

6739899 is a wasteful number, since it uses less digits than its factorization.

6739899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246636.

The product of its digits is 734832, while the sum is 51.

The square root of 6739899 is about 2596.1315452034. The cubic root of 6739899 is about 188.8938403290.

The spelling of 6739899 in words is "six million, seven hundred thirty-nine thousand, eight hundred ninety-nine".