71527967 has 8 divisors (see below), whose sum is σ = 82037376. Its totient is φ = 61091352.

The previous prime is 71527961. The next prime is 71527969. The reversal of 71527967 is 76972517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71527967 - 2¹⁰ = 71526943 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 (71527961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16073 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (10254672).

Almost surely, 2^71527967 is an apocalyptic number.

71527967 is a deficient number, since it is larger than the sum of its proper divisors (10509409).

71527967 is a wasteful number, since it uses less digits than its factorization.

71527967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36397.

The product of its digits is 185220, while the sum is 44.

The square root of 71527967 is about 8457.4208243412. The cubic root of 71527967 is about 415.1056333413.

It can be divided in two parts, 715 and 27967, that added together give a palindrome (28682).

The spelling of 71527967 in words is "seventy-one million, five hundred twenty-seven thousand, nine hundred sixty-seven".