71422417 has 8 divisors (see below), whose sum is σ = 77978880. Its totient is φ = 64876560.

The previous prime is 71422381. The next prime is 71422433.

71422417 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 a de Polignac number, because none of the positive numbers 2^k-71422417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71422487) 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 in 7 ways as a sum of consecutive naturals, for example, 19584 + ... + 22942.

It is an arithmetic number, because the mean of its divisors is an integer number (9747360).

Almost surely, 2^71422417 is an apocalyptic number.

It is an amenable number.

71422417 is a deficient number, since it is larger than the sum of its proper divisors (6556463).

71422417 is a wasteful number, since it uses less digits than its factorization.

71422417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 3136, while the sum is 28.

The square root of 71422417 is about 8451.1784385374. The cubic root of 71422417 is about 414.9013497552.

It can be divided in two parts, 7142 and 2417, that added together give a palindrome (9559).

The spelling of 71422417 in words is "seventy-one million, four hundred twenty-two thousand, four hundred seventeen".