274161728 has 14 divisors (see below), whose sum is σ = 544039806. Its totient is φ = 137080832.

The previous prime is 274161709. The next prime is 274161733. The reversal of 274161728 is 827161472.

It can be written as a sum of positive squares in only one way, i.e., 138485824 + 135675904 = 11768^2 + 11648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 274161691 and 274161700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2141825 + ... + 2141952.

Almost surely, 2^274161728 is an apocalyptic number.

It is an amenable number.

274161728 is a deficient number, since it is larger than the sum of its proper divisors (269878078).

274161728 is an equidigital number, since it uses as much as digits as its factorization.

274161728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283789 (or 4283779 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 274161728 is about 16557.8298094889. The cubic root of 274161728 is about 649.6342936913.

The spelling of 274161728 in words is "two hundred seventy-four million, one hundred sixty-one thousand, seven hundred twenty-eight".