76332121 has 2 divisors, whose sum is σ = 76332122. Its totient is φ = 76332120.

The previous prime is 76332107. The next prime is 76332127. The reversal of 76332121 is 12123367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69956496 + 6375625 = 8364^2 + 2525^2 .

It is an emirp because it is prime and its reverse (12123367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76332121 - 2²⁵ = 42777689 is a prime.

It is not a weakly prime, because it can be changed into another prime (76332127) 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, 38166060 + 38166061.

It is an arithmetic number, because the mean of its divisors is an integer number (38166061).

Almost surely, 2^76332121 is an apocalyptic number.

It is an amenable number.

76332121 is a deficient number, since it is larger than the sum of its proper divisors (1).

76332121 is an equidigital number, since it uses as much as digits as its factorization.

76332121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 76332121 is about 8736.8255676762. The cubic root of 76332121 is about 424.1984819658.

Adding to 76332121 its reverse (12123367), we get a palindrome (88455488).

The spelling of 76332121 in words is "seventy-six million, three hundred thirty-two thousand, one hundred twenty-one".