76020449 has 2 divisors, whose sum is σ = 76020450. Its totient is φ = 76020448.

The previous prime is 76020407. The next prime is 76020467. The reversal of 76020449 is 94402067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66129424 + 9891025 = 8132^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 76020449 - 2⁸ = 76020193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76026449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38010224 + 38010225.

It is an arithmetic number, because the mean of its divisors is an integer number (38010225).

Almost surely, 2^76020449 is an apocalyptic number.

It is an amenable number.

76020449 is a deficient number, since it is larger than the sum of its proper divisors (1).

76020449 is an equidigital number, since it uses as much as digits as its factorization.

76020449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 76020449 is about 8718.9706387853. The cubic root of 76020449 is about 423.6203455259.

The spelling of 76020449 in words is "seventy-six million, twenty thousand, four hundred forty-nine".