71353228 has 6 divisors (see below), whose sum is σ = 124868156. Its totient is φ = 35676612.

The previous prime is 71353187. The next prime is 71353229. The reversal of 71353228 is 82235317.

It is a self number, because there is not a number n which added to its sum of digits gives 71353228.

It is not an unprimeable number, because it can be changed into a prime (71353229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8919150 + ... + 8919157.

Almost surely, 2^71353228 is an apocalyptic number.

It is an amenable number.

71353228 is a deficient number, since it is larger than the sum of its proper divisors (53514928).

71353228 is a wasteful number, since it uses less digits than its factorization.

71353228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17838311 (or 17838309 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 71353228 is about 8447.0839938999. The cubic root of 71353228 is about 414.7673307486.

The spelling of 71353228 in words is "seventy-one million, three hundred fifty-three thousand, two hundred twenty-eight".