71271153 has 12 divisors (see below), whose sum is σ = 103072528. Its totient is φ = 47456280.

The previous prime is 71271133. The next prime is 71271163. The reversal of 71271153 is 35117217.

It is a happy number.

It is not a de Polignac number, because 71271153 - 2⁵ = 71271121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71271133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3798 + ... + 12528.

Almost surely, 2^71271153 is an apocalyptic number.

It is an amenable number.

71271153 is a deficient number, since it is larger than the sum of its proper divisors (31801375).

71271153 is a wasteful number, since it uses less digits than its factorization.

71271153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644 (or 9641 counting only the distinct ones).

The product of its digits is 1470, while the sum is 27.

The square root of 71271153 is about 8442.2244106633. The cubic root of 71271153 is about 414.6082391868.

The spelling of 71271153 in words is "seventy-one million, two hundred seventy-one thousand, one hundred fifty-three".