6904944728 has 64 divisors (see below), whose sum is σ = 14414526720. Its totient is φ = 3074198400.

The previous prime is 6904944707. The next prime is 6904944731. The reversal of 6904944728 is 8274494096.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 6904944728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509323 + ... + 4510853.

It is an arithmetic number, because the mean of its divisors is an integer number (225226980).

Almost surely, 2^6904944728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6904944728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7207263360).

6904944728 is an abundant number, since it is smaller than the sum of its proper divisors (7509581992).

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

6904944728 is a wasteful number, since it uses less digits than its factorization.

6904944728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 6904944728 is about 83095.9970636372. The cubic root of 6904944728 is about 1904.2329198317.

The spelling of 6904944728 in words is "six billion, nine hundred four million, nine hundred forty-four thousand, seven hundred twenty-eight".