74540189999 has 8 divisors (see below), whose sum is σ = 82154887248. Its totient is φ = 67065212160.

The previous prime is 74540189963. The next prime is 74540190017. The reversal of 74540189999 is 99998104547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74540189999 - 2⁸ = 74540189743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74540189909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34928732 + ... + 34930865.

It is an arithmetic number, because the mean of its divisors is an integer number (10269360906).

Almost surely, 2^74540189999 is an apocalyptic number.

74540189999 is a deficient number, since it is larger than the sum of its proper divisors (7614697249).

74540189999 is a wasteful number, since it uses less digits than its factorization.

74540189999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69859705.

The product of its (nonzero) digits is 29393280, while the sum is 65.

The spelling of 74540189999 in words is "seventy-four billion, five hundred forty million, one hundred eighty-nine thousand, nine hundred ninety-nine".