71434271 has 4 divisors (see below), whose sum is σ = 71457792. Its totient is φ = 71410752.

The previous prime is 71434267. The next prime is 71434273. The reversal of 71434271 is 17243417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17243417 = 373 ⋅46229.

It is a cyclic number.

It is not a de Polignac number, because 71434271 - 2² = 71434267 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 (71434273) 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, 6386 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (17864448).

Almost surely, 2^71434271 is an apocalyptic number.

71434271 is a deficient number, since it is larger than the sum of its proper divisors (23521).

71434271 is a wasteful number, since it uses less digits than its factorization.

71434271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23520.

The product of its digits is 4704, while the sum is 29.

The square root of 71434271 is about 8451.8797317520. The cubic root of 71434271 is about 414.9243022527.

Adding to 71434271 its reverse (17243417), we get a palindrome (88677688).

The spelling of 71434271 in words is "seventy-one million, four hundred thirty-four thousand, two hundred seventy-one".