71725793 has 2 divisors, whose sum is σ = 71725794. Its totient is φ = 71725792.

The previous prime is 71725783. The next prime is 71725811. The reversal of 71725793 is 39752717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 18769 = 8468^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 71725793 - 2¹⁰ = 71724769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71725793.

It is not a weakly prime, because it can be changed into another prime (71725783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35862896 + 35862897.

It is an arithmetic number, because the mean of its divisors is an integer number (35862897).

Almost surely, 2^71725793 is an apocalyptic number.

It is an amenable number.

71725793 is a deficient number, since it is larger than the sum of its proper divisors (1).

71725793 is an equidigital number, since it uses as much as digits as its factorization.

71725793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92610, while the sum is 41.

The square root of 71725793 is about 8469.1081584781. The cubic root of 71725793 is about 415.4879690948.

The spelling of 71725793 in words is "seventy-one million, seven hundred twenty-five thousand, seven hundred ninety-three".