6739149 has 4 divisors (see below), whose sum is σ = 8985536. Its totient is φ = 4492764.

The previous prime is 6739147. The next prime is 6739151. The reversal of 6739149 is 9419376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6739147) and next prime (6739151).

It is not a de Polignac number, because 6739149 - 2¹ = 6739147 is a prime.

It is a super-2 number, since 2×6739149² = 90832258488402, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123189 + ... + 1123194.

It is an arithmetic number, because the mean of its divisors is an integer number (2246384).

Almost surely, 2^6739149 is an apocalyptic number.

It is an amenable number.

6739149 is a deficient number, since it is larger than the sum of its proper divisors (2246387).

6739149 is a wasteful number, since it uses less digits than its factorization.

6739149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246386.

The product of its digits is 40824, while the sum is 39.

The square root of 6739149 is about 2595.9870954995. The cubic root of 6739149 is about 188.8868335160.

The spelling of 6739149 in words is "six million, seven hundred thirty-nine thousand, one hundred forty-nine".