1347443743 has 4 divisors (see below), whose sum is σ = 1378779688. Its totient is φ = 1316107800.

The previous prime is 1347443719. The next prime is 1347443771. The reversal of 1347443743 is 3473447431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3473447431 = 79 ⋅43967689.

It is a cyclic number.

It is not a de Polignac number, because 1347443743 - 2¹⁷ = 1347312671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1347443696 and 1347443705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347443143) 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, 15667908 + ... + 15667993.

It is an arithmetic number, because the mean of its divisors is an integer number (344694922).

Almost surely, 2^1347443743 is an apocalyptic number.

1347443743 is a deficient number, since it is larger than the sum of its proper divisors (31335945).

1347443743 is an equidigital number, since it uses as much as digits as its factorization.

1347443743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31335944.

The product of its digits is 338688, while the sum is 40.

The square root of 1347443743 is about 36707.5434073162. The cubic root of 1347443743 is about 1104.5114287368.

The spelling of 1347443743 in words is "one billion, three hundred forty-seven million, four hundred forty-three thousand, seven hundred forty-three".