65773385 has 8 divisors (see below), whose sum is σ = 78991296. Its totient is φ = 52576560.

The previous prime is 65773381. The next prime is 65773417. The reversal of 65773385 is 58337756.

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

It is not a de Polignac number, because 65773385 - 2² = 65773381 is a prime.

It is a super-2 number, since 2×65773385² = 8652276348716450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65773381) 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, 2690 + ... + 11780.

It is an arithmetic number, because the mean of its divisors is an integer number (9873912).

Almost surely, 2^65773385 is an apocalyptic number.

It is an amenable number.

65773385 is a deficient number, since it is larger than the sum of its proper divisors (13217911).

65773385 is a wasteful number, since it uses less digits than its factorization.

65773385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10543.

The product of its digits is 529200, while the sum is 44.

The square root of 65773385 is about 8110.0792227943. The cubic root of 65773385 is about 403.6609435929.

The spelling of 65773385 in words is "sixty-five million, seven hundred seventy-three thousand, three hundred eighty-five".