73056287 has 2 divisors, whose sum is σ = 73056288. Its totient is φ = 73056286.

The previous prime is 73056271. The next prime is 73056317. The reversal of 73056287 is 78265037.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73056287 - 2⁴ = 73056271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73056287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73056227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36528143 + 36528144.

It is an arithmetic number, because the mean of its divisors is an integer number (36528144).

Almost surely, 2^73056287 is an apocalyptic number.

73056287 is a deficient number, since it is larger than the sum of its proper divisors (1).

73056287 is an equidigital number, since it uses as much as digits as its factorization.

73056287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 73056287 is about 8547.2970581348. The cubic root of 73056287 is about 418.0413086927.

The spelling of 73056287 in words is "seventy-three million, fifty-six thousand, two hundred eighty-seven".