272173943 has 4 divisors (see below), whose sum is σ = 272945328. Its totient is φ = 271402560.

The previous prime is 272173919. The next prime is 272173963. The reversal of 272173943 is 349371272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272173943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272173897 and 272173906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272173963) 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, 385163 + ... + 385868.

It is an arithmetic number, because the mean of its divisors is an integer number (68236332).

Almost surely, 2^272173943 is an apocalyptic number.

272173943 is a deficient number, since it is larger than the sum of its proper divisors (771385).

272173943 is an equidigital number, since it uses as much as digits as its factorization.

272173943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771384.

The product of its digits is 63504, while the sum is 38.

The square root of 272173943 is about 16497.6950814349. The cubic root of 272173943 is about 648.0604454805.

The spelling of 272173943 in words is "two hundred seventy-two million, one hundred seventy-three thousand, nine hundred forty-three".