74046449 has 2 divisors, whose sum is σ = 74046450. Its totient is φ = 74046448.

The previous prime is 74046437. The next prime is 74046517. The reversal of 74046449 is 94464047.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63600625 + 10445824 = 7975^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 74046449 - 2¹⁶ = 73980913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74046149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37023224 + 37023225.

It is an arithmetic number, because the mean of its divisors is an integer number (37023225).

Almost surely, 2^74046449 is an apocalyptic number.

It is an amenable number.

74046449 is a deficient number, since it is larger than the sum of its proper divisors (1).

74046449 is an equidigital number, since it uses as much as digits as its factorization.

74046449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 74046449 is about 8605.0246368038. The cubic root of 74046449 is about 419.9214686883.

The spelling of 74046449 in words is "seventy-four million, forty-six thousand, four hundred forty-nine".