6694728 has 16 divisors (see below), whose sum is σ = 16736880. Its totient is φ = 2231568.

The previous prime is 6694711. The next prime is 6694747. The reversal of 6694728 is 8274966.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6694728.

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, 139450 + ... + 139497.

It is an arithmetic number, because the mean of its divisors is an integer number (1046055).

Almost surely, 2^6694728 is an apocalyptic number.

It is an amenable number.

6694728 is an abundant number, since it is smaller than the sum of its proper divisors (10042152).

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

6694728 is a wasteful number, since it uses less digits than its factorization.

6694728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278956 (or 278952 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 6694728 is about 2587.4172450535. The cubic root of 6694728 is about 188.4709033931.

The spelling of 6694728 in words is "six million, six hundred ninety-four thousand, seven hundred twenty-eight".