74473393 has 2 divisors, whose sum is σ = 74473394. Its totient is φ = 74473392.

The previous prime is 74473387. The next prime is 74473397. The reversal of 74473393 is 39337447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41835024 + 32638369 = 6468^2 + 5713^2 .

It is a cyclic number.

It is not a de Polignac number, because 74473393 - 2⁵ = 74473361 is a prime.

It is not a weakly prime, because it can be changed into another prime (74473397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37236696 + 37236697.

It is an arithmetic number, because the mean of its divisors is an integer number (37236697).

Almost surely, 2^74473393 is an apocalyptic number.

It is an amenable number.

74473393 is a deficient number, since it is larger than the sum of its proper divisors (1).

74473393 is an equidigital number, since it uses as much as digits as its factorization.

74473393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 40.

The square root of 74473393 is about 8629.7968110495. The cubic root of 74473393 is about 420.7269967407.

The spelling of 74473393 in words is "seventy-four million, four hundred seventy-three thousand, three hundred ninety-three".