274761081 has 18 divisors (see below), whose sum is σ = 461674122. Its totient is φ = 157006080.

The previous prime is 274761079. The next prime is 274761083. The reversal of 274761081 is 180167472.

It is an interprime number because it is at equal distance from previous prime (274761079) and next prime (274761083).

It can be written as a sum of positive squares in only one way, i.e., 268304400 + 6456681 = 16380^2 + 2541^2 .

It is not a de Polignac number, because 274761081 - 2¹ = 274761079 is a prime.

It is a super-2 number, since 2×274761081² = 150987303264577122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (274761083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 311080 + ... + 311961.

Almost surely, 2^274761081 is an apocalyptic number.

274761081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

274761081 is a deficient number, since it is larger than the sum of its proper divisors (186913041).

274761081 is a wasteful number, since it uses less digits than its factorization.

274761081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623061 (or 623051 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 274761081 is about 16575.9187075709. The cubic root of 274761081 is about 650.1073440074.

The spelling of 274761081 in words is "two hundred seventy-four million, seven hundred sixty-one thousand, eighty-one".