6739994 has 8 divisors (see below), whose sum is σ = 10383348. Its totient is φ = 3278880.

The previous prime is 6739987. The next prime is 6740021. The reversal of 6739994 is 4999376.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 801025 = 2437^2 + 895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45467 + ... + 45614.

Almost surely, 2^6739994 is an apocalyptic number.

6739994 is a deficient number, since it is larger than the sum of its proper divisors (3643354).

6739994 is a wasteful number, since it uses less digits than its factorization.

6739994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91120.

The product of its digits is 367416, while the sum is 47.

The square root of 6739994 is about 2596.1498415924. The cubic root of 6739994 is about 188.8947278216.

The spelling of 6739994 in words is "six million, seven hundred thirty-nine thousand, nine hundred ninety-four".