71744848 has 20 divisors (see below), whose sum is σ = 158863840. Its totient is φ = 30747744.

The previous prime is 71744821. The next prime is 71744857. The reversal of 71744848 is 84844717.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320178 + ... + 320401.

It is an arithmetic number, because the mean of its divisors is an integer number (7943192).

Almost surely, 2^71744848 is an apocalyptic number.

It is an amenable number.

71744848 is an abundant number, since it is smaller than the sum of its proper divisors (87118992).

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

71744848 is a wasteful number, since it uses less digits than its factorization.

71744848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640594 (or 640588 counting only the distinct ones).

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

The square root of 71744848 is about 8470.2330546450. The cubic root of 71744848 is about 415.5247593109.

The spelling of 71744848 in words is "seventy-one million, seven hundred forty-four thousand, eight hundred forty-eight".