73424543 has 2 divisors, whose sum is σ = 73424544. Its totient is φ = 73424542.

The previous prime is 73424509. The next prime is 73424551. The reversal of 73424543 is 34542437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73424543 - 2¹² = 73420447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73424573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36712271 + 36712272.

It is an arithmetic number, because the mean of its divisors is an integer number (36712272).

Almost surely, 2^73424543 is an apocalyptic number.

73424543 is a deficient number, since it is larger than the sum of its proper divisors (1).

73424543 is an equidigital number, since it uses as much as digits as its factorization.

73424543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 32.

The square root of 73424543 is about 8568.8122280746. The cubic root of 73424543 is about 418.7425409528.

The spelling of 73424543 in words is "seventy-three million, four hundred twenty-four thousand, five hundred forty-three".