71225417 has 4 divisors (see below), whose sum is σ = 71356176. Its totient is φ = 71094660.

The previous prime is 71225377. The next prime is 71225437. The reversal of 71225417 is 71452217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71225417 - 2¹⁸ = 70963273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71225417.

It is not an unprimeable number, because it can be changed into a prime (71225437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64559 + ... + 65652.

It is an arithmetic number, because the mean of its divisors is an integer number (17839044).

Almost surely, 2^71225417 is an apocalyptic number.

It is an amenable number.

71225417 is a deficient number, since it is larger than the sum of its proper divisors (130759).

71225417 is a wasteful number, since it uses less digits than its factorization.

71225417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130758.

The product of its digits is 3920, while the sum is 29.

The square root of 71225417 is about 8439.5152111955. The cubic root of 71225417 is about 414.5195329839.

The spelling of 71225417 in words is "seventy-one million, two hundred twenty-five thousand, four hundred seventeen".