76300921 has 2 divisors, whose sum is σ = 76300922. Its totient is φ = 76300920.

The previous prime is 76300907. The next prime is 76300927. The reversal of 76300921 is 12900367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 8880400 = 8211^2 + 2980^2 .

It is an emirp because it is prime and its reverse (12900367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76300921 - 2⁷ = 76300793 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76300921.

It is not a weakly prime, because it can be changed into another prime (76300927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38150460 + 38150461.

It is an arithmetic number, because the mean of its divisors is an integer number (38150461).

Almost surely, 2^76300921 is an apocalyptic number.

It is an amenable number.

76300921 is a deficient number, since it is larger than the sum of its proper divisors (1).

76300921 is an equidigital number, since it uses as much as digits as its factorization.

76300921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 76300921 is about 8735.0398396344. The cubic root of 76300921 is about 424.1406784439.

The spelling of 76300921 in words is "seventy-six million, three hundred thousand, nine hundred twenty-one".