76363321 has 2 divisors, whose sum is σ = 76363322. Its totient is φ = 76363320.

The previous prime is 76363319. The next prime is 76363327. The reversal of 76363321 is 12336367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71571600 + 4791721 = 8460^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 76363321 - 2¹ = 76363319 is a prime.

Together with 76363319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (76363327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38181660 + 38181661.

It is an arithmetic number, because the mean of its divisors is an integer number (38181661).

Almost surely, 2^76363321 is an apocalyptic number.

It is an amenable number.

76363321 is a deficient number, since it is larger than the sum of its proper divisors (1).

76363321 is an equidigital number, since it uses as much as digits as its factorization.

76363321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 31.

The square root of 76363321 is about 8738.6109308059. The cubic root of 76363321 is about 424.2562697387.

Adding to 76363321 its reverse (12336367), we get a palindrome (88699688).

The spelling of 76363321 in words is "seventy-six million, three hundred sixty-three thousand, three hundred twenty-one".