274385047 has 4 divisors (see below), whose sum is σ = 274442040. Its totient is φ = 274328056.

The previous prime is 274385029. The next prime is 274385057. The reversal of 274385047 is 740583472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274385047 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274385017) 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, 20533 + ... + 31150.

It is an arithmetic number, because the mean of its divisors is an integer number (68610510).

Almost surely, 2^274385047 is an apocalyptic number.

274385047 is a deficient number, since it is larger than the sum of its proper divisors (56993).

274385047 is an equidigital number, since it uses as much as digits as its factorization.

274385047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56992.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 274385047 is about 16564.5720439738. The cubic root of 274385047 is about 649.8106328047.

The spelling of 274385047 in words is "two hundred seventy-four million, three hundred eighty-five thousand, forty-seven".