274686085 has 16 divisors (see below), whose sum is σ = 350168832. Its totient is φ = 206137600.

The previous prime is 274686073. The next prime is 274686089. The reversal of 274686085 is 580686472.

It is not a de Polignac number, because 274686085 - 2¹⁵ = 274653317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274686089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21240 + ... + 31630.

It is an arithmetic number, because the mean of its divisors is an integer number (21885552).

Almost surely, 2^274686085 is an apocalyptic number.

It is an amenable number.

274686085 is a deficient number, since it is larger than the sum of its proper divisors (75482747).

274686085 is a wasteful number, since it uses less digits than its factorization.

274686085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 274686085 is about 16573.6563557955. The cubic root of 274686085 is about 650.0481897211.

It can be divided in two parts, 2746 and 86085, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 274686085 in words is "two hundred seventy-four million, six hundred eighty-six thousand, eighty-five".