65820337 has 12 divisors (see below), whose sum is σ = 72890928. Its totient is φ = 58944200.

The previous prime is 65820283. The next prime is 65820367. The reversal of 65820337 is 73302856.

It is a de Polignac number, because none of the positive numbers 2^k-65820337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65820367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54858 + ... + 56044.

It is an arithmetic number, because the mean of its divisors is an integer number (6074244).

Almost surely, 2^65820337 is an apocalyptic number.

It is an amenable number.

65820337 is a deficient number, since it is larger than the sum of its proper divisors (7070591).

65820337 is a wasteful number, since it uses less digits than its factorization.

65820337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 65820337 is about 8112.9733760194. The cubic root of 65820337 is about 403.7569711915.

The spelling of 65820337 in words is "sixty-five million, eight hundred twenty thousand, three hundred thirty-seven".