65727226745 has 16 divisors (see below), whose sum is σ = 79665161472. Its totient is φ = 52053798720.

The previous prime is 65727226727. The next prime is 65727226759. The reversal of 65727226745 is 54762272756.

It is not a de Polignac number, because 65727226745 - 2⁸ = 65727226489 is a prime.

It is a super-3 number, since 3×65727226745³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639004 + ... + 1678626.

It is an arithmetic number, because the mean of its divisors is an integer number (4979072592).

Almost surely, 2^65727226745 is an apocalyptic number.

It is an amenable number.

65727226745 is a deficient number, since it is larger than the sum of its proper divisors (13937934727).

65727226745 is a wasteful number, since it uses less digits than its factorization.

65727226745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42952.

The product of its digits is 9878400, while the sum is 53.

The spelling of 65727226745 in words is "sixty-five billion, seven hundred twenty-seven million, two hundred twenty-six thousand, seven hundred forty-five".