71132270 has 24 divisors (see below), whose sum is σ = 140738472. Its totient is φ = 25865840.

The previous prime is 71132263. The next prime is 71132279. The reversal of 71132270 is 7223117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71132279) 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, 28184 + ... + 30603.

It is an arithmetic number, because the mean of its divisors is an integer number (5864103).

Almost surely, 2^71132270 is an apocalyptic number.

71132270 is a deficient number, since it is larger than the sum of its proper divisors (69606202).

71132270 is a wasteful number, since it uses less digits than its factorization.

71132270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58816 (or 58805 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 71132270 is about 8433.9949015873. The cubic root of 71132270 is about 414.3387543778.

Adding to 71132270 its reverse (7223117), we get a palindrome (78355387).

The spelling of 71132270 in words is "seventy-one million, one hundred thirty-two thousand, two hundred seventy".