273947347 has 2 divisors, whose sum is σ = 273947348. Its totient is φ = 273947346.

The previous prime is 273947327. The next prime is 273947353. The reversal of 273947347 is 743749372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 273947347 - 2¹⁵ = 273914579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273947297 and 273947306.

It is not a weakly prime, because it can be changed into another prime (273947327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136973673 + 136973674.

It is an arithmetic number, because the mean of its divisors is an integer number (136973674).

Almost surely, 2^273947347 is an apocalyptic number.

273947347 is a deficient number, since it is larger than the sum of its proper divisors (1).

273947347 is an equidigital number, since it uses as much as digits as its factorization.

273947347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 46.

The square root of 273947347 is about 16551.3548388040. The cubic root of 273947347 is about 649.4649221712.

It can be divided in two parts, 2739 and 47347, that added together give a triangular number (50086 = T₃₁₆).

The spelling of 273947347 in words is "two hundred seventy-three million, nine hundred forty-seven thousand, three hundred forty-seven".