75575731706 has 32 divisors (see below), whose sum is σ = 119717254800. Its totient is φ = 35726978560.

The previous prime is 75575731703. The next prime is 75575731723. The reversal of 75575731706 is 60713757557.

It can be written as a sum of positive squares in 8 ways, for example, as 62880076081 + 12695655625 = 250759^2 + 112675^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577960 + ... + 1625148.

Almost surely, 2^75575731706 is an apocalyptic number.

75575731706 is a deficient number, since it is larger than the sum of its proper divisors (44141523094).

75575731706 is a wasteful number, since it uses less digits than its factorization.

75575731706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47794.

The product of its (nonzero) digits is 5402250, while the sum is 53.

The spelling of 75575731706 in words is "seventy-five billion, five hundred seventy-five million, seven hundred thirty-one thousand, seven hundred six".