75668296971 has 4 divisors (see below), whose sum is σ = 100891062632. Its totient is φ = 50445531312.

The previous prime is 75668296969. The next prime is 75668296987. The reversal of 75668296971 is 17969286657.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 75668296971 - 2¹ = 75668296969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75668296771) 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, 12611382826 + ... + 12611382831.

It is an arithmetic number, because the mean of its divisors is an integer number (25222765658).

Almost surely, 2^75668296971 is an apocalyptic number.

75668296971 is a deficient number, since it is larger than the sum of its proper divisors (25222765661).

75668296971 is a wasteful number, since it uses less digits than its factorization.

75668296971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222765660.

The product of its digits is 68584320, while the sum is 66.

The spelling of 75668296971 in words is "seventy-five billion, six hundred sixty-eight million, two hundred ninety-six thousand, nine hundred seventy-one".