274742473 has 4 divisors (see below), whose sum is σ = 274809808. Its totient is φ = 274675140.

The previous prime is 274742453. The next prime is 274742477. The reversal of 274742473 is 374247472.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274742473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274742477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27123 + ... + 35848.

It is an arithmetic number, because the mean of its divisors is an integer number (68702452).

Almost surely, 2^274742473 is an apocalyptic number.

It is an amenable number.

274742473 is a deficient number, since it is larger than the sum of its proper divisors (67335).

274742473 is an equidigital number, since it uses as much as digits as its factorization.

274742473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67334.

The product of its digits is 263424, while the sum is 40.

The square root of 274742473 is about 16575.3574018782. The cubic root of 274742473 is about 650.0926676560.

The spelling of 274742473 in words is "two hundred seventy-four million, seven hundred forty-two thousand, four hundred seventy-three".