74046821621209 has 8 divisors (see below), whose sum is σ = 74612433063168. Its totient is φ = 73481215763280.

The previous prime is 74046821621141. The next prime is 74046821621239. The reversal of 74046821621209 is 90212612864047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74046821621209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74046821621239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27502104 + ... + 30074230.

It is an arithmetic number, because the mean of its divisors is an integer number (9326554132896).

Almost surely, 2^{74046821621209} is an apocalyptic number.

It is an amenable number.

74046821621209 is a deficient number, since it is larger than the sum of its proper divisors (565611441959).

74046821621209 is a wasteful number, since it uses less digits than its factorization.

74046821621209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792015.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 74046821621209 in words is "seventy-four trillion, forty-six billion, eight hundred twenty-one million, six hundred twenty-one thousand, two hundred nine".