65073765 has 32 divisors (see below), whose sum is σ = 112291200. Its totient is φ = 32071680.

The previous prime is 65073761. The next prime is 65073791. The reversal of 65073765 is 56737056.

It is not a de Polignac number, because 65073765 - 2² = 65073761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65073761) 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, 8901 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (3509100).

Almost surely, 2^65073765 is an apocalyptic number.

It is an amenable number.

65073765 is a deficient number, since it is larger than the sum of its proper divisors (47217435).

65073765 is a wasteful number, since it uses less digits than its factorization.

65073765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 65073765 is about 8066.8311622346. The cubic root of 65073765 is about 402.2246151984.

The spelling of 65073765 in words is "sixty-five million, seventy-three thousand, seven hundred sixty-five".