6628742 has 8 divisors (see below), whose sum is σ = 10528056. Its totient is φ = 3119392.

The previous prime is 6628729. The next prime is 6628753. The reversal of 6628742 is 2478266.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97448 + ... + 97515.

It is an arithmetic number, because the mean of its divisors is an integer number (1316007).

Almost surely, 2^6628742 is an apocalyptic number.

6628742 is a deficient number, since it is larger than the sum of its proper divisors (3899314).

6628742 is a wasteful number, since it uses less digits than its factorization.

6628742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194982.

The product of its digits is 32256, while the sum is 35.

The square root of 6628742 is about 2574.6343429699. The cubic root of 6628742 is about 187.8496421153.

The spelling of 6628742 in words is "six million, six hundred twenty-eight thousand, seven hundred forty-two".