694030728 has 64 divisors (see below), whose sum is σ = 1812787200. Its totient is φ = 221163840.

The previous prime is 694030703. The next prime is 694030741. The reversal of 694030728 is 827030496.

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, 56133 + ... + 67371.

It is an arithmetic number, because the mean of its divisors is an integer number (28324800).

Almost surely, 2^694030728 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 694030728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906393600).

694030728 is an abundant number, since it is smaller than the sum of its proper divisors (1118756472).

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

694030728 is a wasteful number, since it uses less digits than its factorization.

694030728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 694030728 is about 26344.4629476480. The cubic root of 694030728 is about 885.3729169885.

The spelling of 694030728 in words is "six hundred ninety-four million, thirty thousand, seven hundred twenty-eight".