71432575 has 6 divisors (see below), whose sum is σ = 88576424. Its totient is φ = 57146040.

The previous prime is 71432567. The next prime is 71432579. The reversal of 71432575 is 57523417.

It is not a de Polignac number, because 71432575 - 2³ = 71432567 is a prime.

It is a super-2 number, since 2×71432575² = 10205225542261250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71432575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71432579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1428627 + ... + 1428676.

Almost surely, 2^71432575 is an apocalyptic number.

71432575 is a deficient number, since it is larger than the sum of its proper divisors (17143849).

71432575 is a wasteful number, since it uses less digits than its factorization.

71432575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857313 (or 2857308 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 71432575 is about 8451.7793984462. The cubic root of 71432575 is about 414.9210185012.

The spelling of 71432575 in words is "seventy-one million, four hundred thirty-two thousand, five hundred seventy-five".