65773365 has 32 divisors (see below), whose sum is σ = 121933056. Its totient is φ = 29652480.

The previous prime is 65773361. The next prime is 65773369. The reversal of 65773365 is 56337756.

It is an interprime number because it is at equal distance from previous prime (65773361) and next prime (65773369).

It is not a de Polignac number, because 65773365 - 2² = 65773361 is a prime.

It is a super-2 number, since 2×65773365² = 8652271086846450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65773361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3375 + ... + 11955.

It is an arithmetic number, because the mean of its divisors is an integer number (3810408).

Almost surely, 2^65773365 is an apocalyptic number.

It is an amenable number.

65773365 is a deficient number, since it is larger than the sum of its proper divisors (56159691).

65773365 is a wasteful number, since it uses less digits than its factorization.

65773365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8669.

The product of its digits is 396900, while the sum is 42.

The square root of 65773365 is about 8110.0779897606. The cubic root of 65773365 is about 403.6609026786.

The spelling of 65773365 in words is "sixty-five million, seven hundred seventy-three thousand, three hundred sixty-five".