274671813 has 12 divisors (see below), whose sum is σ = 396568320. Its totient is φ = 169028496.

The previous prime is 274671769. The next prime is 274671821. The reversal of 274671813 is 318176472.

It is not a de Polignac number, because 274671813 - 2¹³ = 274663621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274671853) 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 11 ways as a sum of consecutive naturals, for example, 270373 + ... + 271386.

It is an arithmetic number, because the mean of its divisors is an integer number (33047360).

Almost surely, 2^274671813 is an apocalyptic number.

It is an amenable number.

274671813 is a deficient number, since it is larger than the sum of its proper divisors (121896507).

274671813 is a wasteful number, since it uses less digits than its factorization.

274671813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541788 (or 541775 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 274671813 is about 16573.2257873958. The cubic root of 274671813 is about 650.0369312350.

The spelling of 274671813 in words is "two hundred seventy-four million, six hundred seventy-one thousand, eight hundred thirteen".