71207 has 4 divisors (see below), whose sum is σ = 73536. Its totient is φ = 68880.

The previous prime is 71191. The next prime is 71209. The reversal of 71207 is 70217.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71207 - 2⁴ = 71191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 71207.

It is not an unprimeable number, because it can be changed into a prime (71209) 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, 1118 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (18384).

2⁷¹²⁰⁷ is an apocalyptic number.

71207 is a deficient number, since it is larger than the sum of its proper divisors (2329).

71207 is a wasteful number, since it uses less digits than its factorization.

71207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 71207 is about 266.8463977647. The cubic root of 71207 is about 41.4483801992.

Subtracting from 71207 its reverse (70217), we obtain a triangular number (990 = T₄₄).

The spelling of 71207 in words is "seventy-one thousand, two hundred seven", and thus it is an iban number.