274930728 has 32 divisors (see below), whose sum is σ = 687735360. Its totient is φ = 91589120.

The previous prime is 274930717. The next prime is 274930739. The reversal of 274930728 is 827039472.

274930728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (274930717) and next prime (274930739).

It is a self number, because there is not a number n which added to its sum of digits gives 274930728.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71101 + ... + 74867.

It is an arithmetic number, because the mean of its divisors is an integer number (21491730).

Almost surely, 2^274930728 is an apocalyptic number.

It is an amenable number.

274930728 is an abundant number, since it is smaller than the sum of its proper divisors (412804632).

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

274930728 is a wasteful number, since it uses less digits than its factorization.

274930728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 274930728 is about 16581.0351908438. The cubic root of 274930728 is about 650.2411160701.

The spelling of 274930728 in words is "two hundred seventy-four million, nine hundred thirty thousand, seven hundred twenty-eight".