65947944 has 16 divisors (see below), whose sum is σ = 164869920. Its totient is φ = 21982640.

The previous prime is 65947933. The next prime is 65947951. The reversal of 65947944 is 44974956.

It is a happy number.

65947944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65947893 and 65947902.

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, 1373892 + ... + 1373939.

It is an arithmetic number, because the mean of its divisors is an integer number (10304370).

Almost surely, 2^65947944 is an apocalyptic number.

It is an amenable number.

65947944 is an abundant number, since it is smaller than the sum of its proper divisors (98921976).

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

65947944 is a wasteful number, since it uses less digits than its factorization.

65947944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747840 (or 2747836 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 65947944 is about 8120.8339473234. The cubic root of 65947944 is about 404.0177262424.

The spelling of 65947944 in words is "sixty-five million, nine hundred forty-seven thousand, nine hundred forty-four".