76449349 has 2 divisors, whose sum is σ = 76449350. Its totient is φ = 76449348.

The previous prime is 76449283. The next prime is 76449353. The reversal of 76449349 is 94394467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 22896225 = 7318^2 + 4785^2 .

It is an emirp because it is prime and its reverse (94394467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76449349 - 2²¹ = 74352197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76449299 and 76449308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76449389) 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, 38224674 + 38224675.

It is an arithmetic number, because the mean of its divisors is an integer number (38224675).

Almost surely, 2^76449349 is an apocalyptic number.

It is an amenable number.

76449349 is a deficient number, since it is larger than the sum of its proper divisors (1).

76449349 is an equidigital number, since it uses as much as digits as its factorization.

76449349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 76449349 is about 8743.5318378788. The cubic root of 76449349 is about 424.4155269176.

The spelling of 76449349 in words is "seventy-six million, four hundred forty-nine thousand, three hundred forty-nine".