274073645 has 4 divisors (see below), whose sum is σ = 328888380. Its totient is φ = 219258912.

The previous prime is 274073629. The next prime is 274073647. The reversal of 274073645 is 546370472.

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 60124516 + 213949129 = 7754^2 + 14627^2 .

It is a cyclic number.

It is not a de Polignac number, because 274073645 - 2⁴ = 274073629 is a prime.

It is a super-3 number, since 3×274073645³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274073599 and 274073608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274073647) 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, 27407360 + ... + 27407369.

It is an arithmetic number, because the mean of its divisors is an integer number (82222095).

Almost surely, 2^274073645 is an apocalyptic number.

It is an amenable number.

274073645 is a deficient number, since it is larger than the sum of its proper divisors (54814735).

274073645 is an equidigital number, since it uses as much as digits as its factorization.

274073645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54814734.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 274073645 is about 16555.1697363694. The cubic root of 274073645 is about 649.5647144846.

The spelling of 274073645 in words is "two hundred seventy-four million, seventy-three thousand, six hundred forty-five".