73612849 has 2 divisors, whose sum is σ = 73612850. Its totient is φ = 73612848.

The previous prime is 73612843. The next prime is 73612937. The reversal of 73612849 is 94821637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 16459249 = 7560^2 + 4057^2 .

It is an emirp because it is prime and its reverse (94821637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73612849 - 2³ = 73612841 is a prime.

It is not a weakly prime, because it can be changed into another prime (73612841) 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, 36806424 + 36806425.

It is an arithmetic number, because the mean of its divisors is an integer number (36806425).

Almost surely, 2^73612849 is an apocalyptic number.

It is an amenable number.

73612849 is a deficient number, since it is larger than the sum of its proper divisors (1).

73612849 is an equidigital number, since it uses as much as digits as its factorization.

73612849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 73612849 is about 8579.7930627726. The cubic root of 73612849 is about 419.1002071016.

The spelling of 73612849 in words is "seventy-three million, six hundred twelve thousand, eight hundred forty-nine".