71723059 has 2 divisors, whose sum is σ = 71723060. Its totient is φ = 71723058.

The previous prime is 71723033. The next prime is 71723077. The reversal of 71723059 is 95032717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71723059 - 2²³ = 63334451 is a prime.

It is not a weakly prime, because it can be changed into another prime (71723009) 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, 35861529 + 35861530.

It is an arithmetic number, because the mean of its divisors is an integer number (35861530).

Almost surely, 2^71723059 is an apocalyptic number.

71723059 is a deficient number, since it is larger than the sum of its proper divisors (1).

71723059 is an equidigital number, since it uses as much as digits as its factorization.

71723059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 71723059 is about 8468.9467467921. The cubic root of 71723059 is about 415.4826899222.

The spelling of 71723059 in words is "seventy-one million, seven hundred twenty-three thousand, fifty-nine".