65737273755 has 16 divisors (see below), whose sum is σ = 105947375904. Its totient is φ = 34803966720.

The previous prime is 65737273733. The next prime is 65737273757. The reversal of 65737273755 is 55737273756.

It is a happy number.

It is not a de Polignac number, because 65737273755 - 2⁸ = 65737273499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65737273695 and 65737273704.

It is not an unprimeable number, because it can be changed into a prime (65737273757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15992416 + ... + 15996525.

It is an arithmetic number, because the mean of its divisors is an integer number (6621710994).

Almost surely, 2^65737273755 is an apocalyptic number.

65737273755 is a deficient number, since it is larger than the sum of its proper divisors (40210102149).

65737273755 is a wasteful number, since it uses less digits than its factorization.

65737273755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31989086.

The product of its digits is 32413500, while the sum is 57.

Subtracting from 65737273755 its reverse (55737273756), we obtain a palindrome (9999999999).

The spelling of 65737273755 in words is "sixty-five billion, seven hundred thirty-seven million, two hundred seventy-three thousand, seven hundred fifty-five".