73055761 has 2 divisors, whose sum is σ = 73055762. Its totient is φ = 73055760.

The previous prime is 73055713. The next prime is 73055767. The reversal of 73055761 is 16755037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 29495761 = 6600^2 + 5431^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73055761 is a prime.

It is not a weakly prime, because it can be changed into another prime (73055767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36527880 + 36527881.

It is an arithmetic number, because the mean of its divisors is an integer number (36527881).

Almost surely, 2^73055761 is an apocalyptic number.

It is an amenable number.

73055761 is a deficient number, since it is larger than the sum of its proper divisors (1).

73055761 is an equidigital number, since it uses as much as digits as its factorization.

73055761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 73055761 is about 8547.2662881181. The cubic root of 73055761 is about 418.0403054012.

The spelling of 73055761 in words is "seventy-three million, fifty-five thousand, seven hundred sixty-one".