71233217 has 8 divisors (see below), whose sum is σ = 78436512. Its totient is φ = 64151200.

The previous prime is 71233207. The next prime is 71233243.

71233217 is nontrivially palindromic in base 10.

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 71233217 - 2¹² = 71229121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71233207) 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, 29084 + ... + 31437.

It is an arithmetic number, because the mean of its divisors is an integer number (9804564).

Almost surely, 2^71233217 is an apocalyptic number.

It is an amenable number.

71233217 is a deficient number, since it is larger than the sum of its proper divisors (7203295).

71233217 is a wasteful number, since it uses less digits than its factorization.

71233217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60639.

The product of its digits is 1764, while the sum is 26.

The square root of 71233217 is about 8439.9773103960. The cubic root of 71233217 is about 414.5346639792.

The spelling of 71233217 in words is "seventy-one million, two hundred thirty-three thousand, two hundred seventeen".