71332765 has 32 divisors (see below), whose sum is σ = 104696064. Its totient is φ = 45542400.

The previous prime is 71332747. The next prime is 71332769. The reversal of 71332765 is 56723317.

It is not a de Polignac number, because 71332765 - 2¹⁵ = 71299997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71332765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71332769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59502 + ... + 60688.

It is an arithmetic number, because the mean of its divisors is an integer number (3271752).

Almost surely, 2^71332765 is an apocalyptic number.

It is an amenable number.

71332765 is a deficient number, since it is larger than the sum of its proper divisors (33363299).

71332765 is a wasteful number, since it uses less digits than its factorization.

71332765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 26460, while the sum is 34.

The square root of 71332765 is about 8445.8726606550. The cubic root of 71332765 is about 414.7276773435.

The spelling of 71332765 in words is "seventy-one million, three hundred thirty-two thousand, seven hundred sixty-five".