1347420173 has 12 divisors (see below), whose sum is σ = 1478557248. Its totient is φ = 1217765640.

The previous prime is 1347420167. The next prime is 1347420197. The reversal of 1347420173 is 3710247431.

It is not a de Polignac number, because 1347420173 - 2⁸ = 1347419917 is a prime.

It is a super-2 number, since 2×1347420173² = 3631082245214699858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347422173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350540 + ... + 354362.

It is an arithmetic number, because the mean of its divisors is an integer number (123213104).

Almost surely, 2^1347420173 is an apocalyptic number.

It is an amenable number.

1347420173 is a deficient number, since it is larger than the sum of its proper divisors (131137075).

1347420173 is an equidigital number, since it uses as much as digits as its factorization.

1347420173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1347420173 is about 36707.2223547356. Note that the first 3 decimals coincide. The cubic root of 1347420173 is about 1104.5049885208.

The spelling of 1347420173 in words is "one billion, three hundred forty-seven million, four hundred twenty thousand, one hundred seventy-three".