700728 has 64 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 193536.

The previous prime is 700717. The next prime is 700751. The reversal of 700728 is 827007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 700698 and 700707.

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, 7176 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (32340).

2⁷⁰⁰⁷²⁸ 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 700728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034880).

700728 is an abundant number, since it is smaller than the sum of its proper divisors (1369032).

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

700728 is a wasteful number, since it uses less digits than its factorization.

700728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 700728 is about 837.0949766902. The cubic root of 700728 is about 88.8211701818.

The spelling of 700728 in words is "seven hundred thousand, seven hundred twenty-eight".