65273775 has 48 divisors (see below), whose sum is σ = 124658688. Its totient is φ = 29520000.

The previous prime is 65273743. The next prime is 65273777. The reversal of 65273775 is 57737256.

It is not a de Polignac number, because 65273775 - 2⁵ = 65273743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65273777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52410 + ... + 53640.

It is an arithmetic number, because the mean of its divisors is an integer number (2597056).

Almost surely, 2^65273775 is an apocalyptic number.

65273775 is a deficient number, since it is larger than the sum of its proper divisors (59384913).

65273775 is a wasteful number, since it uses less digits than its factorization.

65273775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1347 counting only the distinct ones).

The product of its digits is 308700, while the sum is 42.

The square root of 65273775 is about 8079.2187122271. The cubic root of 65273775 is about 402.6362847522.

The spelling of 65273775 in words is "sixty-five million, two hundred seventy-three thousand, seven hundred seventy-five".