74453273 has 2 divisors, whose sum is σ = 74453274. Its totient is φ = 74453272.

The previous prime is 74453243. The next prime is 74453293. The reversal of 74453273 is 37235447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 5031049 = 8332^2 + 2243^2 .

It is an emirp because it is prime and its reverse (37235447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74453273 - 2⁶ = 74453209 is a prime.

It is not a weakly prime, because it can be changed into another prime (74453243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37226636 + 37226637.

It is an arithmetic number, because the mean of its divisors is an integer number (37226637).

Almost surely, 2^74453273 is an apocalyptic number.

It is an amenable number.

74453273 is a deficient number, since it is larger than the sum of its proper divisors (1).

74453273 is an equidigital number, since it uses as much as digits as its factorization.

74453273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 35.

The square root of 74453273 is about 8628.6310038151. The cubic root of 74453273 is about 420.6891049548.

The spelling of 74453273 in words is "seventy-four million, four hundred fifty-three thousand, two hundred seventy-three".