6742039 has 4 divisors (see below), whose sum is σ = 6748120. Its totient is φ = 6735960.

The previous prime is 6742037. The next prime is 6742067. The reversal of 6742039 is 9302476.

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 6742039 - 2¹ = 6742037 is a prime.

It is a Duffinian number.

6742039 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6742039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742037) by changing a digit.

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, 852 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (1687030).

Almost surely, 2^6742039 is an apocalyptic number.

6742039 is a deficient number, since it is larger than the sum of its proper divisors (6081).

6742039 is a wasteful number, since it uses less digits than its factorization.

6742039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 6742039 is about 2596.5436641813. The cubic root of 6742039 is about 188.9138302449.

The spelling of 6742039 in words is "six million, seven hundred forty-two thousand, thirty-nine".