75171068744 has 8 divisors (see below), whose sum is σ = 140945753910. Its totient is φ = 37585534368.

The previous prime is 75171068743. The next prime is 75171068789. The reversal of 75171068744 is 44786017157.

It can be written as a sum of positive squares in only one way, i.e., 58462404100 + 16708664644 = 241790^2 + 129262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×75171068744² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75171068692 and 75171068701.

It is not an unprimeable number, because it can be changed into a prime (75171068743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4698191789 + ... + 4698191804.

Almost surely, 2^75171068744 is an apocalyptic number.

It is an amenable number.

75171068744 is a deficient number, since it is larger than the sum of its proper divisors (65774685166).

75171068744 is a wasteful number, since it uses less digits than its factorization.

75171068744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9396383599 (or 9396383595 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 50.

The spelling of 75171068744 in words is "seventy-five billion, one hundred seventy-one million, sixty-eight thousand, seven hundred forty-four".