65725652756 has 18 divisors (see below), whose sum is σ = 122183763198. Its totient is φ = 30929718400.

The previous prime is 65725652719. The next prime is 65725652789.

65725652756 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 30394435600 + 35331217156 = 174340^2 + 187966^2 .

It is a super-4 number, since 4×65725652756⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28426895 + ... + 28429206.

Almost surely, 2^65725652756 is an apocalyptic number.

It is an amenable number.

65725652756 is a deficient number, since it is larger than the sum of its proper divisors (56458110442).

65725652756 is a wasteful number, since it uses less digits than its factorization.

65725652756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56856139 (or 56856120 counting only the distinct ones).

The product of its digits is 26460000, while the sum is 56.

The spelling of 65725652756 in words is "sixty-five billion, seven hundred twenty-five million, six hundred fifty-two thousand, seven hundred fifty-six".