71489832 has 32 divisors (see below), whose sum is σ = 179275200. Its totient is φ = 23756544.

The previous prime is 71489827. The next prime is 71489839. The reversal of 71489832 is 23898417.

It is a super-2 number, since 2×71489832² = 10221592158776448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71489839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3669 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (5602350).

Almost surely, 2^71489832 is an apocalyptic number.

It is an amenable number.

71489832 is an abundant number, since it is smaller than the sum of its proper divisors (107785368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71489832 is a wasteful number, since it uses less digits than its factorization.

71489832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9185 (or 9181 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 71489832 is about 8455.1659948223. The cubic root of 71489832 is about 415.0318493000.

The spelling of 71489832 in words is "seventy-one million, four hundred eighty-nine thousand, eight hundred thirty-two".