73373844443621 has 8 divisors (see below), whose sum is σ = 73725756823488. Its totient is φ = 73022576004000.

The previous prime is 73373844443617. The next prime is 73373844443743. The reversal of 73373844443621 is 12634444837337.

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 73373844443621 - 2² = 73373844443617 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 (73373844443821) 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, 160756625 + ... + 161212406.

It is an arithmetic number, because the mean of its divisors is an integer number (9215719602936).

Almost surely, 2^{73373844443621} is an apocalyptic number.

It is an amenable number.

73373844443621 is a deficient number, since it is larger than the sum of its proper divisors (351912379867).

73373844443621 is a wasteful number, since it uses less digits than its factorization.

73373844443621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321970123.

The product of its digits is 97542144, while the sum is 59.

The spelling of 73373844443621 in words is "seventy-three trillion, three hundred seventy-three billion, eight hundred forty-four million, four hundred forty-three thousand, six hundred twenty-one".