71364071 has 4 divisors (see below), whose sum is σ = 71480352. Its totient is φ = 71247792.

The previous prime is 71364061. The next prime is 71364089. The reversal of 71364071 is 17046317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17046317 = 2179 ⋅7823.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71364071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71364031) 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, 57215 + ... + 58448.

It is an arithmetic number, because the mean of its divisors is an integer number (17870088).

Almost surely, 2^71364071 is an apocalyptic number.

71364071 is a deficient number, since it is larger than the sum of its proper divisors (116281).

71364071 is a wasteful number, since it uses less digits than its factorization.

71364071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116280.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 71364071 is about 8447.7257886368. The cubic root of 71364071 is about 414.7883393491.

The spelling of 71364071 in words is "seventy-one million, three hundred sixty-four thousand, seventy-one".