71841472 has 28 divisors (see below), whose sum is σ = 142941040. Its totient is φ = 35824896.

The previous prime is 71841467. The next prime is 71841479. The reversal of 71841472 is 27414817.

It is a super-2 number, since 2×71841472² = 10322394198253568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71841479) 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, 26818 + ... + 29374.

Almost surely, 2^71841472 is an apocalyptic number.

It is an amenable number.

71841472 is a deficient number, since it is larger than the sum of its proper divisors (71099568).

71841472 is a wasteful number, since it uses less digits than its factorization.

71841472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008 (or 2998 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 71841472 is about 8475.9348746908. The cubic root of 71841472 is about 415.7112147604.

The spelling of 71841472 in words is "seventy-one million, eight hundred forty-one thousand, four hundred seventy-two".