1347673273 has 4 divisors (see below), whose sum is σ = 1348356240. Its totient is φ = 1346990308.

The previous prime is 1347673267. The next prime is 1347673303. The reversal of 1347673273 is 3723767431.

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 not a de Polignac number, because 1347673273 - 2¹⁷ = 1347542201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1347673213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338515 + ... + 342472.

It is an arithmetic number, because the mean of its divisors is an integer number (337089060).

Almost surely, 2^1347673273 is an apocalyptic number.

It is an amenable number.

1347673273 is a deficient number, since it is larger than the sum of its proper divisors (682967).

1347673273 is an equidigital number, since it uses as much as digits as its factorization.

1347673273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682966.

The product of its digits is 444528, while the sum is 43.

The square root of 1347673273 is about 36710.6697432776. The cubic root of 1347673273 is about 1104.5741410926.

The spelling of 1347673273 in words is "one billion, three hundred forty-seven million, six hundred seventy-three thousand, two hundred seventy-three".