728274 has 8 divisors (see below), whose sum is σ = 1456560. Its totient is φ = 242756.

The previous prime is 728269. The next prime is 728281. The reversal of 728274 is 472827.

728274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

728274 is an admirable number.

It is an unprimeable number.

728274 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60684 + ... + 60695.

It is an arithmetic number, because the mean of its divisors is an integer number (182070).

2⁷²⁸²⁷⁴ is an apocalyptic number.

728274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

728274 is a wasteful number, since it uses less digits than its factorization.

728274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121384.

The product of its digits is 6272, while the sum is 30.

The square root of 728274 is about 853.3897116793. The cubic root of 728274 is about 89.9701135334.

The spelling of 728274 in words is "seven hundred twenty-eight thousand, two hundred seventy-four".