74984461 has 2 divisors, whose sum is σ = 74984462. Its totient is φ = 74984460.

The previous prime is 74984417. The next prime is 74984491. The reversal of 74984461 is 16448947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 15848361 = 7690^2 + 3981^2 .

It is an emirp because it is prime and its reverse (16448947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74984461 - 2⁷ = 74984333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74984491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37492230 + 37492231.

It is an arithmetic number, because the mean of its divisors is an integer number (37492231).

Almost surely, 2^74984461 is an apocalyptic number.

It is an amenable number.

74984461 is a deficient number, since it is larger than the sum of its proper divisors (1).

74984461 is an equidigital number, since it uses as much as digits as its factorization.

74984461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 74984461 is about 8659.3568467872. The cubic root of 74984461 is about 421.6872059721.

The spelling of 74984461 in words is "seventy-four million, nine hundred eighty-four thousand, four hundred sixty-one".