65944933 has 8 divisors (see below), whose sum is σ = 70491456. Its totient is φ = 61538400.

The previous prime is 65944913. The next prime is 65944937. The reversal of 65944933 is 33944956.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65944933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65944933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65944937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34023 + ... + 35908.

It is an arithmetic number, because the mean of its divisors is an integer number (8811432).

Almost surely, 2^65944933 is an apocalyptic number.

It is an amenable number.

65944933 is a deficient number, since it is larger than the sum of its proper divisors (4546523).

65944933 is a wasteful number, since it uses less digits than its factorization.

65944933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69995.

The product of its digits is 349920, while the sum is 43.

The square root of 65944933 is about 8120.6485578431. The cubic root of 65944933 is about 404.0115773730.

The spelling of 65944933 in words is "sixty-five million, nine hundred forty-four thousand, nine hundred thirty-three".