696728844 has 216 divisors, whose sum is σ = 2187062640. Its totient is φ = 191237760.

The previous prime is 696728839. The next prime is 696728861. The reversal of 696728844 is 448827696.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5085544 + ... + 5085680.

It is an arithmetic number, because the mean of its divisors is an integer number (10125290).

Almost surely, 2^696728844 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 696728844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093531320).

696728844 is an abundant number, since it is smaller than the sum of its proper divisors (1490333796).

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

696728844 is a wasteful number, since it uses less digits than its factorization.

696728844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 180 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 696728844 is about 26395.6216823927. The cubic root of 696728844 is about 886.5187595699.

The spelling of 696728844 in words is "six hundred ninety-six million, seven hundred twenty-eight thousand, eight hundred forty-four".