73274543 has 2 divisors, whose sum is σ = 73274544. Its totient is φ = 73274542.

The previous prime is 73274489. The next prime is 73274557. The reversal of 73274543 is 34547237.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73274543 - 2⁸ = 73274287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73270543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36637271 + 36637272.

It is an arithmetic number, because the mean of its divisors is an integer number (36637272).

Almost surely, 2^73274543 is an apocalyptic number.

73274543 is a deficient number, since it is larger than the sum of its proper divisors (1).

73274543 is an equidigital number, since it uses as much as digits as its factorization.

73274543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 35.

The square root of 73274543 is about 8560.0550815985. The cubic root of 73274543 is about 418.4571949366.

The spelling of 73274543 in words is "seventy-three million, two hundred seventy-four thousand, five hundred forty-three".