71448748 has 24 divisors (see below), whose sum is σ = 143633952. Its totient is φ = 30463104.

The previous prime is 71448719. The next prime is 71448763. The reversal of 71448748 is 84784417.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (5984748).

Almost surely, 2^71448748 is an apocalyptic number.

It is an amenable number.

71448748 is an abundant number, since it is smaller than the sum of its proper divisors (72185204).

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

71448748 is a wasteful number, since it uses less digits than its factorization.

71448748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13159 counting only the distinct ones).

The product of its digits is 200704, while the sum is 43.

The square root of 71448748 is about 8452.7361250662. The cubic root of 71448748 is about 414.9523301320.

The spelling of 71448748 in words is "seventy-one million, four hundred forty-eight thousand, seven hundred forty-eight".