74994461 has 2 divisors, whose sum is σ = 74994462. Its totient is φ = 74994460.

The previous prime is 74994457. The next prime is 74994503. The reversal of 74994461 is 16449947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74063236 + 931225 = 8606^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 74994461 - 2² = 74994457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74994061) 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, 37497230 + 37497231.

It is an arithmetic number, because the mean of its divisors is an integer number (37497231).

Almost surely, 2^74994461 is an apocalyptic number.

It is an amenable number.

74994461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74994461 is an equidigital number, since it uses as much as digits as its factorization.

74994461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 74994461 is about 8659.9342376256. The cubic root of 74994461 is about 421.7059506763.

The spelling of 74994461 in words is "seventy-four million, nine hundred ninety-four thousand, four hundred sixty-one".