71725079 has 2 divisors, whose sum is σ = 71725080. Its totient is φ = 71725078.

The previous prime is 71725067. The next prime is 71725099. The reversal of 71725079 is 97052717.

It is a weak prime.

It is an emirp because it is prime and its reverse (97052717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71725079 - 2⁸ = 71724823 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71725009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35862539 + 35862540.

It is an arithmetic number, because the mean of its divisors is an integer number (35862540).

Almost surely, 2^71725079 is an apocalyptic number.

71725079 is a deficient number, since it is larger than the sum of its proper divisors (1).

71725079 is an equidigital number, since it uses as much as digits as its factorization.

71725079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 71725079 is about 8469.0660051744. The cubic root of 71725079 is about 415.4865904211.

The spelling of 71725079 in words is "seventy-one million, seven hundred twenty-five thousand, seventy-nine".