74839997089 has 16 divisors (see below), whose sum is σ = 87932759040. Its totient is φ = 62796476160.

The previous prime is 74839997077. The next prime is 74839997117. The reversal of 74839997089 is 98079993847.

It is not a de Polignac number, because 74839997089 - 2¹³ = 74839988897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74839997189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881792 + ... + 1921150.

It is an arithmetic number, because the mean of its divisors is an integer number (5495797440).

Almost surely, 2^74839997089 is an apocalyptic number.

It is an amenable number.

74839997089 is a deficient number, since it is larger than the sum of its proper divisors (13092761951).

74839997089 is a wasteful number, since it uses less digits than its factorization.

74839997089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52680.

The product of its (nonzero) digits is 246903552, while the sum is 73.

The spelling of 74839997089 in words is "seventy-four billion, eight hundred thirty-nine million, nine hundred ninety-seven thousand, eighty-nine".