65275765 has 8 divisors (see below), whose sum is σ = 79275168. Its totient is φ = 51591120.

The previous prime is 65275759. The next prime is 65275787. The reversal of 65275765 is 56757256.

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

It is not a de Polignac number, because 65275765 - 2³ = 65275757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78231 + ... + 79060.

It is an arithmetic number, because the mean of its divisors is an integer number (9909396).

Almost surely, 2^65275765 is an apocalyptic number.

It is an amenable number.

65275765 is a deficient number, since it is larger than the sum of its proper divisors (13999403).

65275765 is a wasteful number, since it uses less digits than its factorization.

65275765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157379.

The product of its digits is 441000, while the sum is 43.

The square root of 65275765 is about 8079.3418667612. The cubic root of 65275765 is about 402.6403764315.

The spelling of 65275765 in words is "sixty-five million, two hundred seventy-five thousand, seven hundred sixty-five".