65994441 has 8 divisors (see below), whose sum is σ = 88294080. Its totient is φ = 43845552.

The previous prime is 65994437. The next prime is 65994451. The reversal of 65994441 is 14449956.

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

It is not a de Polignac number, because 65994441 - 2² = 65994437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65994393 and 65994402.

It is not an unprimeable number, because it can be changed into a prime (65994451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36661 + ... + 38418.

It is an arithmetic number, because the mean of its divisors is an integer number (11036760).

Almost surely, 2^65994441 is an apocalyptic number.

It is an amenable number.

65994441 is a deficient number, since it is larger than the sum of its proper divisors (22299639).

65994441 is a wasteful number, since it uses less digits than its factorization.

65994441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75375.

The product of its digits is 155520, while the sum is 42.

The square root of 65994441 is about 8123.6962646323. The cubic root of 65994441 is about 404.1126556561.

The spelling of 65994441 in words is "sixty-five million, nine hundred ninety-four thousand, four hundred forty-one".