71132567 has 4 divisors (see below), whose sum is σ = 77599176. Its totient is φ = 64665960.

The previous prime is 71132549. The next prime is 71132597. The reversal of 71132567 is 76523117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76523117 = 11 ⋅6956647.

It is a cyclic number.

It is not a de Polignac number, because 71132567 - 2²⁶ = 4023703 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 (71132597) 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, 3233288 + ... + 3233309.

It is an arithmetic number, because the mean of its divisors is an integer number (19399794).

Almost surely, 2^71132567 is an apocalyptic number.

71132567 is a deficient number, since it is larger than the sum of its proper divisors (6466609).

71132567 is a wasteful number, since it uses less digits than its factorization.

71132567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466608.

The product of its digits is 8820, while the sum is 32.

The square root of 71132567 is about 8434.0125088833. The cubic root of 71132567 is about 414.3393310426.

The spelling of 71132567 in words is "seventy-one million, one hundred thirty-two thousand, five hundred sixty-seven".