65448872 has 16 divisors (see below), whose sum is σ = 122812800. Its totient is φ = 32698800.

The previous prime is 65448871. The next prime is 65448937. The reversal of 65448872 is 27884456.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65448871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11747 + ... + 16397.

It is an arithmetic number, because the mean of its divisors is an integer number (7675800).

Almost surely, 2^65448872 is an apocalyptic number.

It is an amenable number.

65448872 is a deficient number, since it is larger than the sum of its proper divisors (57363928).

65448872 is a wasteful number, since it uses less digits than its factorization.

65448872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416 (or 6412 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 65448872 is about 8090.0477130855. The cubic root of 65448872 is about 402.9959874566.

The spelling of 65448872 in words is "sixty-five million, four hundred forty-eight thousand, eight hundred seventy-two".