71228559 has 8 divisors (see below), whose sum is σ = 95016240. Its totient is φ = 47463296.

The previous prime is 71228551. The next prime is 71228567. The reversal of 71228559 is 95582217.

It is an interprime number because it is at equal distance from previous prime (71228551) and next prime (71228567).

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 71228559 - 2³ = 71228551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71228551) 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, 4327 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (11877030).

Almost surely, 2^71228559 is an apocalyptic number.

71228559 is a deficient number, since it is larger than the sum of its proper divisors (23787681).

71228559 is a wasteful number, since it uses less digits than its factorization.

71228559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11209.

The product of its digits is 50400, while the sum is 39.

The square root of 71228559 is about 8439.7013572756. The cubic root of 71228559 is about 414.5256281920.

The spelling of 71228559 in words is "seventy-one million, two hundred twenty-eight thousand, five hundred fifty-nine".