274395745 has 8 divisors (see below), whose sum is σ = 354603816. Its totient is φ = 202630656.

The previous prime is 274395743. The next prime is 274395761. The reversal of 274395745 is 547593472.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 264810529 = 3096^2 + 16273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 274395745 - 2¹ = 274395743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274395695 and 274395704.

It is not an unprimeable number, because it can be changed into a prime (274395743) 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 7 ways as a sum of consecutive naturals, for example, 2110672 + ... + 2110801.

It is an arithmetic number, because the mean of its divisors is an integer number (44325477).

Almost surely, 2^274395745 is an apocalyptic number.

It is an amenable number.

274395745 is a deficient number, since it is larger than the sum of its proper divisors (80208071).

274395745 is a wasteful number, since it uses less digits than its factorization.

274395745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221491.

The product of its digits is 1058400, while the sum is 46.

The square root of 274395745 is about 16564.8949589184. The cubic root of 274395745 is about 649.8190778516.

The spelling of 274395745 in words is "two hundred seventy-four million, three hundred ninety-five thousand, seven hundred forty-five".