274726369 has 4 divisors (see below), whose sum is σ = 282151444. Its totient is φ = 267301296.

The previous prime is 274726351. The next prime is 274726373. The reversal of 274726369 is 963627472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110502144 + 164224225 = 10512^2 + 12815^2 .

It is a cyclic number.

It is not a de Polignac number, because 274726369 - 2²⁵ = 241171937 is a prime.

It is a super-2 number, since 2×274726369² = 150949155647848322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274726399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3712482 + ... + 3712555.

It is an arithmetic number, because the mean of its divisors is an integer number (70537861).

Almost surely, 2^274726369 is an apocalyptic number.

It is an amenable number.

274726369 is a deficient number, since it is larger than the sum of its proper divisors (7425075).

274726369 is an equidigital number, since it uses as much as digits as its factorization.

274726369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7425074.

The product of its digits is 762048, while the sum is 46.

The square root of 274726369 is about 16574.8716133791. The cubic root of 274726369 is about 650.0799657043.

The spelling of 274726369 in words is "two hundred seventy-four million, seven hundred twenty-six thousand, three hundred sixty-nine".