74459345018 has 8 divisors (see below), whose sum is σ = 111702983520. Its totient is φ = 37225017180.

The previous prime is 74459345011. The next prime is 74459345039. The reversal of 74459345018 is 81054395447.

It is a happy number.

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

It is a super-2 number, since 2×74459345018² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74459345011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307638 + ... + 2339681.

It is an arithmetic number, because the mean of its divisors is an integer number (13962872940).

Almost surely, 2^74459345018 is an apocalyptic number.

74459345018 is a deficient number, since it is larger than the sum of its proper divisors (37243638502).

74459345018 is a wasteful number, since it uses less digits than its factorization.

74459345018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655332.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 74459345018 in words is "seventy-four billion, four hundred fifty-nine million, three hundred forty-five thousand, eighteen".