71448884 has 24 divisors (see below), whose sum is σ = 135031848. Its totient is φ = 32883840.

The previous prime is 71448877. The next prime is 71448889. The reversal of 71448884 is 48884417.

It can be written as a sum of positive squares in 4 ways, for example, as 1056784 + 70392100 = 1028^2 + 8390^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71448889) 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, 18914 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (5626327).

Almost surely, 2^71448884 is an apocalyptic number.

It is an amenable number.

71448884 is a deficient number, since it is larger than the sum of its proper divisors (63582964).

71448884 is a wasteful number, since it uses less digits than its factorization.

71448884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3873 counting only the distinct ones).

The product of its digits is 229376, while the sum is 44.

The square root of 71448884 is about 8452.7441697948. The cubic root of 71448884 is about 414.9525934139.

The spelling of 71448884 in words is "seventy-one million, four hundred forty-eight thousand, eight hundred eighty-four".