74327573 has 2 divisors, whose sum is σ = 74327574. Its totient is φ = 74327572.

The previous prime is 74327567. The next prime is 74327597. The reversal of 74327573 is 37572347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70174129 + 4153444 = 8377^2 + 2038^2 .

It is an emirp because it is prime and its reverse (37572347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74327573 - 2¹⁶ = 74262037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74327503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37163786 + 37163787.

It is an arithmetic number, because the mean of its divisors is an integer number (37163787).

Almost surely, 2^74327573 is an apocalyptic number.

It is an amenable number.

74327573 is a deficient number, since it is larger than the sum of its proper divisors (1).

74327573 is an equidigital number, since it uses as much as digits as its factorization.

74327573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 38.

The square root of 74327573 is about 8621.3440367497. The cubic root of 74327573 is about 420.4522207728.

The spelling of 74327573 in words is "seventy-four million, three hundred twenty-seven thousand, five hundred seventy-three".