65994306 has 48 divisors (see below), whose sum is σ = 160268736. Its totient is φ = 17743104.

The previous prime is 65994233. The next prime is 65994311. The reversal of 65994306 is 60349956.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9420 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (3338932).

Almost surely, 2^65994306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65994306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80134368).

65994306 is an abundant number, since it is smaller than the sum of its proper divisors (94274430).

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

65994306 is a wasteful number, since it uses less digits than its factorization.

65994306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 65994306 is about 8123.6879556024. The cubic root of 65994306 is about 404.1123801014.

The spelling of 65994306 in words is "sixty-five million, nine hundred ninety-four thousand, three hundred six".