73654249 has 2 divisors, whose sum is σ = 73654250. Its totient is φ = 73654248.

The previous prime is 73654247. The next prime is 73654253. The reversal of 73654249 is 94245637.

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., 47059600 + 26594649 = 6860^2 + 5157^2 .

It is a cyclic number.

It is not a de Polignac number, because 73654249 - 2¹ = 73654247 is a prime.

Together with 73654247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73654247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36827124 + 36827125.

It is an arithmetic number, because the mean of its divisors is an integer number (36827125).

Almost surely, 2^73654249 is an apocalyptic number.

It is an amenable number.

73654249 is a deficient number, since it is larger than the sum of its proper divisors (1).

73654249 is an equidigital number, since it uses as much as digits as its factorization.

73654249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 73654249 is about 8582.2053692510. The cubic root of 73654249 is about 419.1787599499.

The spelling of 73654249 in words is "seventy-three million, six hundred fifty-four thousand, two hundred forty-nine".