75642727670 has 16 divisors (see below), whose sum is σ = 138464655120. Its totient is φ = 29744258784.

The previous prime is 75642727661. The next prime is 75642727691. The reversal of 75642727670 is 7672724657.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64103417 + ... + 64104596.

It is an arithmetic number, because the mean of its divisors is an integer number (8654040945).

Almost surely, 2^75642727670 is an apocalyptic number.

75642727670 is a deficient number, since it is larger than the sum of its proper divisors (62821927450).

75642727670 is a wasteful number, since it uses less digits than its factorization.

75642727670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128208079.

The product of its (nonzero) digits is 6914880, while the sum is 53.

The spelling of 75642727670 in words is "seventy-five billion, six hundred forty-two million, seven hundred twenty-seven thousand, six hundred seventy".