73743473 has 2 divisors, whose sum is σ = 73743474. Its totient is φ = 73743472.

The previous prime is 73743463. The next prime is 73743521. The reversal of 73743473 is 37434737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55011889 + 18731584 = 7417^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 73743473 - 2⁴ = 73743457 is a prime.

It is not a weakly prime, because it can be changed into another prime (73743413) 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, 36871736 + 36871737.

It is an arithmetic number, because the mean of its divisors is an integer number (36871737).

Almost surely, 2^73743473 is an apocalyptic number.

It is an amenable number.

73743473 is a deficient number, since it is larger than the sum of its proper divisors (1).

73743473 is an equidigital number, since it uses as much as digits as its factorization.

73743473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 38.

The square root of 73743473 is about 8587.4019936183. The cubic root of 73743473 is about 419.3479545948.

The spelling of 73743473 in words is "seventy-three million, seven hundred forty-three thousand, four hundred seventy-three".