73748489 has 2 divisors, whose sum is σ = 73748490. Its totient is φ = 73748488.

The previous prime is 73748453. The next prime is 73748491. The reversal of 73748489 is 98484737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62805625 + 10942864 = 7925^2 + 3308^2 .

It is a cyclic number.

It is not a de Polignac number, because 73748489 - 2¹² = 73744393 is a prime.

Together with 73748491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73748429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36874244 + 36874245.

It is an arithmetic number, because the mean of its divisors is an integer number (36874245).

Almost surely, 2^73748489 is an apocalyptic number.

It is an amenable number.

73748489 is a deficient number, since it is larger than the sum of its proper divisors (1).

73748489 is an equidigital number, since it uses as much as digits as its factorization.

73748489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 73748489 is about 8587.6940443870. The cubic root of 73748489 is about 419.3574623364.

The spelling of 73748489 in words is "seventy-three million, seven hundred forty-eight thousand, four hundred eighty-nine".