71107213 has 8 divisors (see below), whose sum is σ = 72727200. Its totient is φ = 69501168.

The previous prime is 71107207. The next prime is 71107219. The reversal of 71107213 is 31270117.

It is an interprime number because it is at equal distance from previous prime (71107207) and next prime (71107219).

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 71107213 - 2⁵ = 71107181 is a prime.

It is a super-3 number, since 3×71107213³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71107219) 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, 7195 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (9090900).

Almost surely, 2^71107213 is an apocalyptic number.

It is an amenable number.

71107213 is a deficient number, since it is larger than the sum of its proper divisors (1619987).

71107213 is a wasteful number, since it uses less digits than its factorization.

71107213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 71107213 is about 8432.5092943916. The cubic root of 71107213 is about 414.2900971112.

The spelling of 71107213 in words is "seventy-one million, one hundred seven thousand, two hundred thirteen".