73316857 has 2 divisors, whose sum is σ = 73316858. Its totient is φ = 73316856.

The previous prime is 73316797. The next prime is 73316863. The reversal of 73316857 is 75861337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62267881 + 11048976 = 7891^2 + 3324^2 .

It is a cyclic number.

It is not a de Polignac number, because 73316857 - 2¹⁹ = 72792569 is a prime.

It is not a weakly prime, because it can be changed into another prime (73316557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36658428 + 36658429.

It is an arithmetic number, because the mean of its divisors is an integer number (36658429).

Almost surely, 2^73316857 is an apocalyptic number.

It is an amenable number.

73316857 is a deficient number, since it is larger than the sum of its proper divisors (1).

73316857 is an equidigital number, since it uses as much as digits as its factorization.

73316857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 73316857 is about 8562.5263211274. The cubic root of 73316857 is about 418.5377285470.

The spelling of 73316857 in words is "seventy-three million, three hundred sixteen thousand, eight hundred fifty-seven".