76448249 has 2 divisors, whose sum is σ = 76448250. Its totient is φ = 76448248.

The previous prime is 76448171. The next prime is 76448257. The reversal of 76448249 is 94284467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 322624 = 8725^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 76448249 - 2⁸ = 76447993 is a prime.

It is not a weakly prime, because it can be changed into another prime (76448279) 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, 38224124 + 38224125.

It is an arithmetic number, because the mean of its divisors is an integer number (38224125).

Almost surely, 2^76448249 is an apocalyptic number.

It is an amenable number.

76448249 is a deficient number, since it is larger than the sum of its proper divisors (1).

76448249 is an equidigital number, since it uses as much as digits as its factorization.

76448249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 44.

The square root of 76448249 is about 8743.4689340101. The cubic root of 76448249 is about 424.4134913244.

The spelling of 76448249 in words is "seventy-six million, four hundred forty-eight thousand, two hundred forty-nine".