73029943321 has 8 divisors (see below), whose sum is σ = 77278472064. Its totient is φ = 68870857440.

The previous prime is 73029943319. The next prime is 73029943381. The reversal of 73029943321 is 12334992037.

It is a happy number.

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 73029943321 - 2¹ = 73029943319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73029943381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22359036 + ... + 22362301.

It is an arithmetic number, because the mean of its divisors is an integer number (9659809008).

Almost surely, 2^73029943321 is an apocalyptic number.

73029943321 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

73029943321 is a deficient number, since it is larger than the sum of its proper divisors (4248528743).

73029943321 is a wasteful number, since it uses less digits than its factorization.

73029943321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721431.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 73029943321 in words is "seventy-three billion, twenty-nine million, nine hundred forty-three thousand, three hundred twenty-one".