71101472 has 48 divisors (see below), whose sum is σ = 153058752. Its totient is φ = 32313600.

The previous prime is 71101453. The next prime is 71101483. The reversal of 71101472 is 27410117.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26597 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (3188724).

Almost surely, 2^71101472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71101472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76529376).

71101472 is an abundant number, since it is smaller than the sum of its proper divisors (81957280).

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

71101472 is a wasteful number, since it uses less digits than its factorization.

71101472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 71101472 is about 8432.1688787642. The cubic root of 71101472 is about 414.2789472650.

Adding to 71101472 its reverse (27410117), we get a palindrome (98511589).

The spelling of 71101472 in words is "seventy-one million, one hundred one thousand, four hundred seventy-two".