73211713 has 2 divisors, whose sum is σ = 73211714. Its totient is φ = 73211712.

The previous prime is 73211681. The next prime is 73211753. The reversal of 73211713 is 31711237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 30283009 = 6552^2 + 5503^2 .

It is a cyclic number.

It is not a de Polignac number, because 73211713 - 2⁵ = 73211681 is a prime.

It is not a weakly prime, because it can be changed into another prime (73211753) 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, 36605856 + 36605857.

It is an arithmetic number, because the mean of its divisors is an integer number (36605857).

Almost surely, 2^73211713 is an apocalyptic number.

It is an amenable number.

73211713 is a deficient number, since it is larger than the sum of its proper divisors (1).

73211713 is an equidigital number, since it uses as much as digits as its factorization.

73211713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 25.

The square root of 73211713 is about 8556.3843415312. The cubic root of 73211713 is about 418.3375572801.

The spelling of 73211713 in words is "seventy-three million, two hundred eleven thousand, seven hundred thirteen".