65726706375 has 96 divisors (see below), whose sum is σ = 130892636160. Its totient is φ = 31463640000.

The previous prime is 65726706349. The next prime is 65726706413. The reversal of 65726706375 is 57360762756.

65726706375 is a `hidden beast` number, since 6 + 5 + 7 + 267 + 0 + 6 + 375 = 666.

It is not a de Polignac number, because 65726706375 - 2⁵ = 65726706343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 944010 + ... + 1011240.

It is an arithmetic number, because the mean of its divisors is an integer number (1363464960).

Almost surely, 2^65726706375 is an apocalyptic number.

65726706375 is a deficient number, since it is larger than the sum of its proper divisors (65165929785).

65726706375 is a wasteful number, since it uses less digits than its factorization.

65726706375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67342 (or 67329 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

The spelling of 65726706375 in words is "sixty-five billion, seven hundred twenty-six million, seven hundred six thousand, three hundred seventy-five".