71323193 has 2 divisors, whose sum is σ = 71323194. Its totient is φ = 71323192.

The previous prime is 71323141. The next prime is 71323199. The reversal of 71323193 is 39132317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51724864 + 19598329 = 7192^2 + 4427^2 .

It is a cyclic number.

It is not a de Polignac number, because 71323193 - 2²² = 67128889 is a prime.

It is not a weakly prime, because it can be changed into another prime (71323199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35661596 + 35661597.

It is an arithmetic number, because the mean of its divisors is an integer number (35661597).

Almost surely, 2^71323193 is an apocalyptic number.

It is an amenable number.

71323193 is a deficient number, since it is larger than the sum of its proper divisors (1).

71323193 is an equidigital number, since it uses as much as digits as its factorization.

71323193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 29.

The square root of 71323193 is about 8445.3059743268. The cubic root of 71323193 is about 414.7091260232.

The spelling of 71323193 in words is "seventy-one million, three hundred twenty-three thousand, one hundred ninety-three".