65724042756 has 48 divisors (see below), whose sum is σ = 154418362560. Its totient is φ = 21756748800.

The previous prime is 65724042749. The next prime is 65724042763.

65724042756 is nontrivially palindromic in base 10.

65724042756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65724042749) and next prime (65724042763).

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, 1062240 + ... + 1122408.

It is an arithmetic number, because the mean of its divisors is an integer number (3217049220).

Almost surely, 2^65724042756 is an apocalyptic number.

It is an amenable number.

65724042756 is an abundant number, since it is smaller than the sum of its proper divisors (88694319804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65724042756 is a wasteful number, since it uses less digits than its factorization.

65724042756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60804 (or 60802 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

It can be divided in two parts, 657240 and 42756, that added together give a palindrome (699996).

The spelling of 65724042756 in words is "sixty-five billion, seven hundred twenty-four million, forty-two thousand, seven hundred fifty-six".