75575731707 has 24 divisors (see below), whose sum is σ = 124806240000. Its totient is φ = 43170104880.

The previous prime is 75575731703. The next prime is 75575731723. The reversal of 75575731707 is 70713757557.

75575731707 is a `hidden beast` number, since 7 + 5 + 57 + 573 + 17 + 0 + 7 = 666.

It is not a de Polignac number, because 75575731707 - 2² = 75575731703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75575731703) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 50457 + ... + 392042.

It is an arithmetic number, because the mean of its divisors is an integer number (5200260000).

Almost surely, 2^75575731707 is an apocalyptic number.

75575731707 is a deficient number, since it is larger than the sum of its proper divisors (49230508293).

75575731707 is a wasteful number, since it uses less digits than its factorization.

75575731707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445223 (or 445220 counting only the distinct ones).

The product of its (nonzero) digits is 6302625, while the sum is 54.

The spelling of 75575731707 in words is "seventy-five billion, five hundred seventy-five million, seven hundred thirty-one thousand, seven hundred seven".