73075559 has 2 divisors, whose sum is σ = 73075560. Its totient is φ = 73075558.

The previous prime is 73075529. The next prime is 73075567. The reversal of 73075559 is 95557037.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (95557037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73075559 - 2²⁴ = 56298343 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 (73075529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36537779 + 36537780.

It is an arithmetic number, because the mean of its divisors is an integer number (36537780).

Almost surely, 2^73075559 is an apocalyptic number.

73075559 is a deficient number, since it is larger than the sum of its proper divisors (1).

73075559 is an equidigital number, since it uses as much as digits as its factorization.

73075559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 73075559 is about 8548.4243577399. The cubic root of 73075559 is about 418.0780647526.

The spelling of 73075559 in words is "seventy-three million, seventy-five thousand, five hundred fifty-nine".