71748793 has 2 divisors, whose sum is σ = 71748794. Its totient is φ = 71748792.

The previous prime is 71748773. The next prime is 71748821. The reversal of 71748793 is 39784717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69355584 + 2393209 = 8328^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 71748793 - 2²¹ = 69651641 is a prime.

It is not a weakly prime, because it can be changed into another prime (71748713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35874396 + 35874397.

It is an arithmetic number, because the mean of its divisors is an integer number (35874397).

Almost surely, 2^71748793 is an apocalyptic number.

It is an amenable number.

71748793 is a deficient number, since it is larger than the sum of its proper divisors (1).

71748793 is an equidigital number, since it uses as much as digits as its factorization.

71748793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 46.

The square root of 71748793 is about 8470.4659257918. The cubic root of 71748793 is about 415.5323752590.

The spelling of 71748793 in words is "seventy-one million, seven hundred forty-eight thousand, seven hundred ninety-three".