274023381 has 4 divisors (see below), whose sum is σ = 365364512. Its totient is φ = 182682252.

The previous prime is 274023341. The next prime is 274023383. The reversal of 274023381 is 183320472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 274023381 - 2⁹ = 274022869 is a prime.

It is a super-2 number, since 2×274023381² = 150177626669342322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274023383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45670561 + ... + 45670566.

It is an arithmetic number, because the mean of its divisors is an integer number (91341128).

Almost surely, 2^274023381 is an apocalyptic number.

It is an amenable number.

274023381 is a deficient number, since it is larger than the sum of its proper divisors (91341131).

274023381 is an equidigital number, since it uses as much as digits as its factorization.

274023381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91341130.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 274023381 is about 16553.6515911143. The cubic root of 274023381 is about 649.5250028747.

The spelling of 274023381 in words is "two hundred seventy-four million, twenty-three thousand, three hundred eighty-one".