71389132 has 12 divisors (see below), whose sum is σ = 128307760. Its totient is φ = 34729776.

The previous prime is 71389127. The next prime is 71389133. The reversal of 71389132 is 23198317.

It is not an unprimeable number, because it can be changed into a prime (71389133) 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, 241032 + ... + 241327.

Almost surely, 2^71389132 is an apocalyptic number.

It is an amenable number.

71389132 is a deficient number, since it is larger than the sum of its proper divisors (56918628).

71389132 is a wasteful number, since it uses less digits than its factorization.

71389132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482400 (or 482398 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 71389132 is about 8449.2089570563. The cubic root of 71389132 is about 414.8368875604.

The spelling of 71389132 in words is "seventy-one million, three hundred eighty-nine thousand, one hundred thirty-two".