76873249 has 2 divisors, whose sum is σ = 76873250. Its totient is φ = 76873248.

The previous prime is 76873219. The next prime is 76873261. The reversal of 76873249 is 94237867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 12552849 = 8020^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 76873249 - 2²⁵ = 43318817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76873199 and 76873208.

It is not a weakly prime, because it can be changed into another prime (76873219) 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, 38436624 + 38436625.

It is an arithmetic number, because the mean of its divisors is an integer number (38436625).

Almost surely, 2^76873249 is an apocalyptic number.

It is an amenable number.

76873249 is a deficient number, since it is larger than the sum of its proper divisors (1).

76873249 is an equidigital number, since it uses as much as digits as its factorization.

76873249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 76873249 is about 8767.7391042389. The cubic root of 76873249 is about 425.1985213260.

The spelling of 76873249 in words is "seventy-six million, eight hundred seventy-three thousand, two hundred forty-nine".