75700161709 has 4 divisors (see below), whose sum is σ = 75844904416. Its totient is φ = 75555419004.

The previous prime is 75700161707. The next prime is 75700161727. The reversal of 75700161709 is 90716100757.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90716100757 = 17 ⋅5336241221.

It is a cyclic number.

It is not a de Polignac number, because 75700161709 - 2¹ = 75700161707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75700161707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72370569 + ... + 72371614.

It is an arithmetic number, because the mean of its divisors is an integer number (18961226104).

Almost surely, 2^75700161709 is an apocalyptic number.

It is an amenable number.

75700161709 is a deficient number, since it is larger than the sum of its proper divisors (144742707).

75700161709 is a wasteful number, since it uses less digits than its factorization.

75700161709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144742706.

The product of its (nonzero) digits is 92610, while the sum is 43.

The spelling of 75700161709 in words is "seventy-five billion, seven hundred million, one hundred sixty-one thousand, seven hundred nine".