71080207 has 16 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 63388000.

The previous prime is 71080201. The next prime is 71080211. The reversal of 71080207 is 70208017.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71080207 - 2¹⁵ = 71047439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71080201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153957 + ... + 154417.

It is an arithmetic number, because the mean of its divisors is an integer number (4939704).

Almost surely, 2^71080207 is an apocalyptic number.

71080207 is a deficient number, since it is larger than the sum of its proper divisors (7955057).

71080207 is a wasteful number, since it uses less digits than its factorization.

71080207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 71080207 is about 8430.9078396102. The cubic root of 71080207 is about 414.2376423526.

The spelling of 71080207 in words is "seventy-one million, eighty thousand, two hundred seven".