76234321 has 2 divisors, whose sum is σ = 76234322. Its totient is φ = 76234320.

The previous prime is 76234309. The next prime is 76234349. The reversal of 76234321 is 12343267.

It is an a-pointer prime, because the next prime (76234349) can be obtained adding 76234321 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71216721 + 5017600 = 8439^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 76234321 - 2⁹ = 76233809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76234321.

It is not a weakly prime, because it can be changed into another prime (76234381) 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, 38117160 + 38117161.

It is an arithmetic number, because the mean of its divisors is an integer number (38117161).

Almost surely, 2^76234321 is an apocalyptic number.

It is an amenable number.

76234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

76234321 is an equidigital number, since it uses as much as digits as its factorization.

76234321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 76234321 is about 8731.2267752018. The cubic root of 76234321 is about 424.0172374178.

Adding to 76234321 its reverse (12343267), we get a palindrome (88577588).

The spelling of 76234321 in words is "seventy-six million, two hundred thirty-four thousand, three hundred twenty-one".