73105057 has 2 divisors, whose sum is σ = 73105058. Its totient is φ = 73105056.

The previous prime is 73105051. The next prime is 73105061. The reversal of 73105057 is 75050137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63345681 + 9759376 = 7959^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 73105057 - 2¹⁵ = 73072289 is a prime.

It is not a weakly prime, because it can be changed into another prime (73105051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36552528 + 36552529.

It is an arithmetic number, because the mean of its divisors is an integer number (36552529).

Almost surely, 2^73105057 is an apocalyptic number.

It is an amenable number.

73105057 is a deficient number, since it is larger than the sum of its proper divisors (1).

73105057 is an equidigital number, since it uses as much as digits as its factorization.

73105057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3675, while the sum is 28.

The square root of 73105057 is about 8550.1495308562. The cubic root of 73105057 is about 418.1343115922.

The spelling of 73105057 in words is "seventy-three million, one hundred five thousand, fifty-seven".