74889097989707 has 4 divisors (see below), whose sum is σ = 74895904244280. Its totient is φ = 74882291735136.

The previous prime is 74889097989661. The next prime is 74889097989731. The reversal of 74889097989707 is 70798979098847.

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

It is a cyclic number.

It is not a de Polignac number, because 74889097989707 - 2²⁸ = 74888829554251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74889097989107) 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, 3403110782 + ... + 3403132787.

It is an arithmetic number, because the mean of its divisors is an integer number (18723976061070).

Almost surely, 2^{74889097989707} is an apocalyptic number.

74889097989707 is a deficient number, since it is larger than the sum of its proper divisors (6806254573).

74889097989707 is a wasteful number, since it uses less digits than its factorization.

74889097989707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806254572.

The product of its (nonzero) digits is 32262064128, while the sum is 92.

The spelling of 74889097989707 in words is "seventy-four trillion, eight hundred eighty-nine billion, ninety-seven million, nine hundred eighty-nine thousand, seven hundred seven".