71872448 has 28 divisors (see below), whose sum is σ = 144639792. Its totient is φ = 35427840.

The previous prime is 71872429. The next prime is 71872453. The reversal of 71872448 is 84427817.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3365 + ... + 12452.

Almost surely, 2^71872448 is an apocalyptic number.

It is an amenable number.

71872448 is an abundant number, since it is smaller than the sum of its proper divisors (72767344).

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

71872448 is a wasteful number, since it uses less digits than its factorization.

71872448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900 (or 15890 counting only the distinct ones).

The product of its digits is 100352, while the sum is 41.

The square root of 71872448 is about 8477.7619688217. The cubic root of 71872448 is about 415.7709537938.

The spelling of 71872448 in words is "seventy-one million, eight hundred seventy-two thousand, four hundred forty-eight".