6442570 has 8 divisors (see below), whose sum is σ = 11596644. Its totient is φ = 2577024.

The previous prime is 6442567. The next prime is 6442571. The reversal of 6442570 is 752446.

It can be written as a sum of positive squares in 2 ways, for example, as 5230369 + 1212201 = 2287^2 + 1101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 322119 + ... + 322138.

Almost surely, 2^6442570 is an apocalyptic number.

6442570 is a deficient number, since it is larger than the sum of its proper divisors (5154074).

6442570 is a wasteful number, since it uses less digits than its factorization.

6442570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644264.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 6442570 is about 2538.2218185178. The cubic root of 6442570 is about 186.0742949048.

The spelling of 6442570 in words is "six million, four hundred forty-two thousand, five hundred seventy".