6442576 has 80 divisors (see below), whose sum is σ = 15499008. Its totient is φ = 2534400.

The previous prime is 6442573. The next prime is 6442591. The reversal of 6442576 is 6752446.

Its product of digits (40320) is a multiple of the sum of its prime factors (140).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105586 + ... + 105646.

Almost surely, 2^6442576 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 6442576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7749504).

6442576 is an abundant number, since it is smaller than the sum of its proper divisors (9056432).

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

6442576 is a wasteful number, since it uses less digits than its factorization.

6442576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 6442576 is about 2538.2230004474. The cubic root of 6442576 is about 186.0743526688.

It can be divided in two parts, 644 and 2576, that multiplied together give a square (1658944 = 1288²).

The spelling of 6442576 in words is "six million, four hundred forty-two thousand, five hundred seventy-six".