74328643513 has 8 divisors (see below), whose sum is σ = 76500538560. Its totient is φ = 72187998960.

The previous prime is 74328643483. The next prime is 74328643537. The reversal of 74328643513 is 31534682347.

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 74328643513 - 2¹⁷ = 74328512441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74328643553) 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 7 ways as a sum of consecutive naturals, for example, 7807798 + ... + 7817311.

It is an arithmetic number, because the mean of its divisors is an integer number (9562567320).

Almost surely, 2^74328643513 is an apocalyptic number.

It is an amenable number.

74328643513 is a deficient number, since it is larger than the sum of its proper divisors (2171895047).

74328643513 is a wasteful number, since it uses less digits than its factorization.

74328643513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625247.

The product of its digits is 1451520, while the sum is 46.

The spelling of 74328643513 in words is "seventy-four billion, three hundred twenty-eight million, six hundred forty-three thousand, five hundred thirteen".