71325073 has 2 divisors, whose sum is σ = 71325074. Its totient is φ = 71325072.

The previous prime is 71325061. The next prime is 71325083. The reversal of 71325073 is 37052317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 2634129 = 8288^2 + 1623^2 .

It is an emirp because it is prime and its reverse (37052317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71325073 - 2¹⁷ = 71194001 is a prime.

It is equal to p_4191355 and since 71325073 and 4191355 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71325053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35662536 + 35662537.

It is an arithmetic number, because the mean of its divisors is an integer number (35662537).

Almost surely, 2^71325073 is an apocalyptic number.

It is an amenable number.

71325073 is a deficient number, since it is larger than the sum of its proper divisors (1).

71325073 is an equidigital number, since it uses as much as digits as its factorization.

71325073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 71325073 is about 8445.4172780272. The cubic root of 71325073 is about 414.7127697483.

The spelling of 71325073 in words is "seventy-one million, three hundred twenty-five thousand, seventy-three".