71313189 has 8 divisors (see below), whose sum is σ = 96387072. Its totient is φ = 46890720.

The previous prime is 71313163. The next prime is 71313191. The reversal of 71313189 is 98131317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71313189 - 2⁸ = 71312933 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71313199) 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, 162597 + ... + 163034.

It is an arithmetic number, because the mean of its divisors is an integer number (12048384).

Almost surely, 2^71313189 is an apocalyptic number.

It is an amenable number.

71313189 is a deficient number, since it is larger than the sum of its proper divisors (25073883).

71313189 is a wasteful number, since it uses less digits than its factorization.

71313189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325707.

The product of its digits is 4536, while the sum is 33.

The square root of 71313189 is about 8444.7136718778. The cubic root of 71313189 is about 414.6897356777.

The spelling of 71313189 in words is "seventy-one million, three hundred thirteen thousand, one hundred eighty-nine".