274237081 has 16 divisors (see below), whose sum is σ = 300224016. Its totient is φ = 249440256.

The previous prime is 274237043. The next prime is 274237087. The reversal of 274237081 is 180732472.

It can be written as a sum of positive squares in 8 ways, for example, as 1690000 + 272547081 = 1300^2 + 16509^2 .

It is a cyclic number.

It is not a de Polignac number, because 274237081 - 2⁷ = 274236953 is a prime.

It is a super-2 number, since 2×274237081² = 150411953190801122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274237087) 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 15 ways as a sum of consecutive naturals, for example, 97365 + ... + 100141.

It is an arithmetic number, because the mean of its divisors is an integer number (18764001).

Almost surely, 2^274237081 is an apocalyptic number.

It is an amenable number.

274237081 is a deficient number, since it is larger than the sum of its proper divisors (25986935).

274237081 is a wasteful number, since it uses less digits than its factorization.

274237081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 274237081 is about 16560.1051023235. The cubic root of 274237081 is about 649.6938052908.

The spelling of 274237081 in words is "two hundred seventy-four million, two hundred thirty-seven thousand, eighty-one".