6628782 has 8 divisors (see below), whose sum is σ = 13257576. Its totient is φ = 2209592.

The previous prime is 6628781. The next prime is 6628813. The reversal of 6628782 is 2878266.

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

6628782 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 6628782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628781) 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, 552393 + ... + 552404.

It is an arithmetic number, because the mean of its divisors is an integer number (1657197).

Almost surely, 2^6628782 is an apocalyptic number.

6628782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6628782 is a wasteful number, since it uses less digits than its factorization.

6628782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104802.

The product of its digits is 64512, while the sum is 39.

The square root of 6628782 is about 2574.6421110516. The cubic root of 6628782 is about 187.8500199633.

The spelling of 6628782 in words is "six million, six hundred twenty-eight thousand, seven hundred eighty-two".