273972943 has 2 divisors, whose sum is σ = 273972944. Its totient is φ = 273972942.

The previous prime is 273972887. The next prime is 273972949. The reversal of 273972943 is 349279372.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 273972943 - 2²⁵ = 240418511 is a prime.

It is a super-2 number, since 2×273972943² = 150122346992162498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 273972893 and 273972902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273972949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136986471 + 136986472.

It is an arithmetic number, because the mean of its divisors is an integer number (136986472).

Almost surely, 2^273972943 is an apocalyptic number.

273972943 is a deficient number, since it is larger than the sum of its proper divisors (1).

273972943 is an equidigital number, since it uses as much as digits as its factorization.

273972943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 273972943 is about 16552.1280504955. The cubic root of 273972943 is about 649.4851489126.

The spelling of 273972943 in words is "two hundred seventy-three million, nine hundred seventy-two thousand, nine hundred forty-three".