71730017 has 8 divisors (see below), whose sum is σ = 73186080. Its totient is φ = 70282080.

The previous prime is 71729927. The next prime is 71730023. The reversal of 71730017 is 71003717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71730017 - 2⁸ = 71729761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71730047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17693 + ... + 21365.

It is an arithmetic number, because the mean of its divisors is an integer number (9148260).

Almost surely, 2^71730017 is an apocalyptic number.

It is an amenable number.

71730017 is a deficient number, since it is larger than the sum of its proper divisors (1456063).

71730017 is a wasteful number, since it uses less digits than its factorization.

71730017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 71730017 is about 8469.3575317140. The cubic root of 71730017 is about 415.4961250950.

The spelling of 71730017 in words is "seventy-one million, seven hundred thirty thousand, seventeen".