6734664 has 80 divisors (see below), whose sum is σ = 19892400. Its totient is φ = 2122848.

The previous prime is 6734647. The next prime is 6734681. The reversal of 6734664 is 4664376.

It is an interprime number because it is at equal distance from previous prime (6734647) and next prime (6734681).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12039 + ... + 12585.

It is an arithmetic number, because the mean of its divisors is an integer number (248655).

Almost surely, 2^6734664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6734664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9946200).

6734664 is an abundant number, since it is smaller than the sum of its proper divisors (13157736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6734664 is a wasteful number, since it uses less digits than its factorization.

6734664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 571 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 6734664 is about 2595.1231184666. The cubic root of 6734664 is about 188.8449219211.

The spelling of 6734664 in words is "six million, seven hundred thirty-four thousand, six hundred sixty-four".