6275664 has 80 divisors (see below), whose sum is σ = 18352000. Its totient is φ = 2052864.

The previous prime is 6275651. The next prime is 6275699. The reversal of 6275664 is 4665726.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31437 + ... + 31635.

It is an arithmetic number, because the mean of its divisors is an integer number (229400).

Almost surely, 2^6275664 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 6275664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9176000).

6275664 is an abundant number, since it is smaller than the sum of its proper divisors (12076336).

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

6275664 is a wasteful number, since it uses less digits than its factorization.

6275664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 277 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 6275664 is about 2505.1275416633. The cubic root of 6275664 is about 184.4533559131.

The spelling of 6275664 in words is "six million, two hundred seventy-five thousand, six hundred sixty-four".