6734789 has 4 divisors (see below), whose sum is σ = 6891456. Its totient is φ = 6578124.

The previous prime is 6734779. The next prime is 6734803. The reversal of 6734789 is 9874376.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6734789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6734729) 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, 78269 + ... + 78354.

It is an arithmetic number, because the mean of its divisors is an integer number (1722864).

Almost surely, 2^6734789 is an apocalyptic number.

It is an amenable number.

6734789 is a deficient number, since it is larger than the sum of its proper divisors (156667).

6734789 is a wasteful number, since it uses less digits than its factorization.

6734789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156666.

The product of its digits is 254016, while the sum is 44.

The square root of 6734789 is about 2595.1472019907. The cubic root of 6734789 is about 188.8460902778.

The spelling of 6734789 in words is "six million, seven hundred thirty-four thousand, seven hundred eighty-nine".