6374656 has 36 divisors (see below), whose sum is σ = 13087732. Its totient is φ = 3096576.

The previous prime is 6374651. The next prime is 6374659. The reversal of 6374656 is 6564736.

It can be written as a sum of positive squares in 2 ways, for example, as 4064256 + 2310400 = 2016^2 + 1520^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6374651) 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, 9136 + ... + 9808.

Almost surely, 2^6374656 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 6374656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6543866).

6374656 is an abundant number, since it is smaller than the sum of its proper divisors (6713076).

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

6374656 is an equidigital number, since it uses as much as digits as its factorization.

6374656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 712 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 6374656 is about 2524.8081115206. The cubic root of 6374656 is about 185.4181532403.

The spelling of 6374656 in words is "six million, three hundred seventy-four thousand, six hundred fifty-six".