74332065362321 has 16 divisors (see below), whose sum is σ = 80143783604304. Its totient is φ = 68533796265984.

The previous prime is 74332065362311. The next prime is 74332065362323. The reversal of 74332065362321 is 12326356023347.

It can be written as a sum of positive squares in 8 ways, for example, as 166210320721 + 74165855041600 = 407689^2 + 8611960^2 .

It is a cyclic number.

It is not a de Polignac number, because 74332065362321 - 2¹⁰ = 74332065361297 is a prime.

It is a super-2 number, since 2×74332065362321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74332065362323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44378351 + ... + 46022843.

It is an arithmetic number, because the mean of its divisors is an integer number (5008986475269).

Almost surely, 2^{74332065362321} is an apocalyptic number.

It is an amenable number.

74332065362321 is a deficient number, since it is larger than the sum of its proper divisors (5811718241983).

74332065362321 is a wasteful number, since it uses less digits than its factorization.

74332065362321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648580.

The product of its (nonzero) digits is 3265920, while the sum is 47.

The spelling of 74332065362321 in words is "seventy-four trillion, three hundred thirty-two billion, sixty-five million, three hundred sixty-two thousand, three hundred twenty-one".