274400847 has 18 divisors (see below), whose sum is σ = 453196328. Its totient is φ = 156725352.

The previous prime is 274400839. The next prime is 274400849. The reversal of 274400847 is 748004472.

It is not a de Polignac number, because 274400847 - 2³ = 274400839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274400849) 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 17 ways as a sum of consecutive naturals, for example, 130438 + ... + 132524.

Almost surely, 2^274400847 is an apocalyptic number.

274400847 is a deficient number, since it is larger than the sum of its proper divisors (178795481).

274400847 is an frugal number, since it uses more digits than its factorization.

274400847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 274400847 is about 16565.0489585754. The cubic root of 274400847 is about 649.8231053149.

The spelling of 274400847 in words is "two hundred seventy-four million, four hundred thousand, eight hundred forty-seven".