6734649 has 4 divisors (see below), whose sum is σ = 8979536. Its totient is φ = 4489764.

The previous prime is 6734647. The next prime is 6734681. The reversal of 6734649 is 9464376.

6734649 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 6734649 - 2¹ = 6734647 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6734647) 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, 1122439 + ... + 1122444.

It is an arithmetic number, because the mean of its divisors is an integer number (2244884).

Almost surely, 2^6734649 is an apocalyptic number.

It is an amenable number.

6734649 is a deficient number, since it is larger than the sum of its proper divisors (2244887).

6734649 is a wasteful number, since it uses less digits than its factorization.

6734649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244886.

The product of its digits is 108864, while the sum is 39.

The square root of 6734649 is about 2595.1202284287. The cubic root of 6734649 is about 188.8447817173.

It can be divided in two parts, 67 and 34649, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 6734649 in words is "six million, seven hundred thirty-four thousand, six hundred forty-nine".