76204449321 has 64 divisors (see below), whose sum is σ = 142353469440. Its totient is φ = 34952797440.

The previous prime is 76204449311. The next prime is 76204449337. The reversal of 76204449321 is 12394440267.

It is not a de Polignac number, because 76204449321 - 2¹⁴ = 76204432937 is a prime.

It is a super-2 number, since 2×76204449321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76204449301) 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 63 ways as a sum of consecutive naturals, for example, 482586 + ... + 620723.

It is an arithmetic number, because the mean of its divisors is an integer number (2224272960).

Almost surely, 2^76204449321 is an apocalyptic number.

It is an amenable number.

76204449321 is a deficient number, since it is larger than the sum of its proper divisors (66149020119).

76204449321 is a wasteful number, since it uses less digits than its factorization.

76204449321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103366.

The product of its (nonzero) digits is 290304, while the sum is 42.

Adding to 76204449321 its reverse (12394440267), we get a palindrome (88598889588).

It can be divided in two parts, 76204 and 449321, that added together give a palindrome (525525).

The spelling of 76204449321 in words is "seventy-six billion, two hundred four million, four hundred forty-nine thousand, three hundred twenty-one".