74271164617 has 4 divisors (see below), whose sum is σ = 79984331140. Its totient is φ = 68557998096.

The previous prime is 74271164599. The next prime is 74271164623. The reversal of 74271164617 is 71646117247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71646117247 = 8543 ⋅8386529.

It can be written as a sum of positive squares in 2 ways, for example, as 5901466041 + 68369698576 = 76821^2 + 261476^2 .

It is a cyclic number.

It is not a de Polignac number, because 74271164617 - 2⁷ = 74271164489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74271164657) 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, 2856583242 + ... + 2856583267.

It is an arithmetic number, because the mean of its divisors is an integer number (19996082785).

Almost surely, 2^74271164617 is an apocalyptic number.

It is an amenable number.

74271164617 is a deficient number, since it is larger than the sum of its proper divisors (5713166523).

74271164617 is a wasteful number, since it uses less digits than its factorization.

74271164617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713166522.

The product of its digits is 395136, while the sum is 46.

The spelling of 74271164617 in words is "seventy-four billion, two hundred seventy-one million, one hundred sixty-four thousand, six hundred seventeen".