65067872 has 24 divisors (see below), whose sum is σ = 128595600. Its totient is φ = 32408704.

The previous prime is 65067869. The next prime is 65067883. The reversal of 65067872 is 27876056.

It is a happy number.

65067872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4829 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (5358150).

Almost surely, 2^65067872 is an apocalyptic number.

It is an amenable number.

65067872 is a deficient number, since it is larger than the sum of its proper divisors (63527728).

65067872 is a wasteful number, since it uses less digits than its factorization.

65067872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 65067872 is about 8066.4658928182. The cubic root of 65067872 is about 402.2124731766.

The spelling of 65067872 in words is "sixty-five million, sixty-seven thousand, eight hundred seventy-two".