6642574 has 16 divisors (see below), whose sum is σ = 10387440. Its totient is φ = 3183040.

The previous prime is 6642553. The next prime is 6642593. The reversal of 6642574 is 4752466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4152 + ... + 5524.

It is an arithmetic number, because the mean of its divisors is an integer number (649215).

Almost surely, 2^6642574 is an apocalyptic number.

6642574 is a deficient number, since it is larger than the sum of its proper divisors (3744866).

6642574 is a wasteful number, since it uses less digits than its factorization.

6642574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475.

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

The square root of 6642574 is about 2577.3191498144. The cubic root of 6642574 is about 187.9802114376.

The spelling of 6642574 in words is "six million, six hundred forty-two thousand, five hundred seventy-four".