74294417089 has 4 divisors (see below), whose sum is σ = 74296436656. Its totient is φ = 74292397524.

The previous prime is 74294417033. The next prime is 74294417203. The reversal of 74294417089 is 98071449247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74294417089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74294417389) 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, 953559 + ... + 1028524.

It is an arithmetic number, because the mean of its divisors is an integer number (18574109164).

Almost surely, 2^74294417089 is an apocalyptic number.

It is an amenable number.

74294417089 is a deficient number, since it is larger than the sum of its proper divisors (2019567).

74294417089 is a wasteful number, since it uses less digits than its factorization.

74294417089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019566.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 74294417089 in words is "seventy-four billion, two hundred ninety-four million, four hundred seventeen thousand, eighty-nine".