6739247 has 4 divisors (see below), whose sum is σ = 6745440. Its totient is φ = 6733056.

The previous prime is 6739231. The next prime is 6739267. The reversal of 6739247 is 7429376.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6739247 - 2⁴ = 6739231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6739247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6739267) 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, 983 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (1686360).

Almost surely, 2^6739247 is an apocalyptic number.

6739247 is a deficient number, since it is larger than the sum of its proper divisors (6193).

6739247 is a wasteful number, since it uses less digits than its factorization.

6739247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192.

The product of its digits is 63504, while the sum is 38.

The square root of 6739247 is about 2596.0059707173. The cubic root of 6739247 is about 188.8877491024.

The spelling of 6739247 in words is "six million, seven hundred thirty-nine thousand, two hundred forty-seven".