73766249 has 2 divisors, whose sum is σ = 73766250. Its totient is φ = 73766248.

The previous prime is 73766239. The next prime is 73766279. The reversal of 73766249 is 94266737.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71707024 + 2059225 = 8468^2 + 1435^2 .

It is an emirp because it is prime and its reverse (94266737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73766249 - 2²⁴ = 56989033 is a prime.

It is not a weakly prime, because it can be changed into another prime (73766219) 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, 36883124 + 36883125.

It is an arithmetic number, because the mean of its divisors is an integer number (36883125).

Almost surely, 2^73766249 is an apocalyptic number.

It is an amenable number.

73766249 is a deficient number, since it is larger than the sum of its proper divisors (1).

73766249 is an equidigital number, since it uses as much as digits as its factorization.

73766249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 73766249 is about 8588.7280199107. The cubic root of 73766249 is about 419.3911226453.

The spelling of 73766249 in words is "seventy-three million, seven hundred sixty-six thousand, two hundred forty-nine".