814272743 has 4 divisors (see below), whose sum is σ = 815128128. Its totient is φ = 813417360.

The previous prime is 814272737. The next prime is 814272757. The reversal of 814272743 is 347272418.

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

It is a cyclic number.

It is not a de Polignac number, because 814272743 - 2²² = 810078439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814272697 and 814272706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814272773) 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, 426263 + ... + 428168.

It is an arithmetic number, because the mean of its divisors is an integer number (203782032).

Almost surely, 2^814272743 is an apocalyptic number.

814272743 is a deficient number, since it is larger than the sum of its proper divisors (855385).

814272743 is an equidigital number, since it uses as much as digits as its factorization.

814272743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855384.

The product of its digits is 75264, while the sum is 38.

The square root of 814272743 is about 28535.4646536551. The cubic root of 814272743 is about 933.8059406506.

The spelling of 814272743 in words is "eight hundred fourteen million, two hundred seventy-two thousand, seven hundred forty-three".