74504113 has 2 divisors, whose sum is σ = 74504114. Its totient is φ = 74504112.

The previous prime is 74504083. The next prime is 74504117. The reversal of 74504113 is 31140547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 27279729 = 6872^2 + 5223^2 .

It is an emirp because it is prime and its reverse (31140547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74504113 - 2¹⁷ = 74373041 is a prime.

It is not a weakly prime, because it can be changed into another prime (74504117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37252056 + 37252057.

It is an arithmetic number, because the mean of its divisors is an integer number (37252057).

Almost surely, 2^74504113 is an apocalyptic number.

It is an amenable number.

74504113 is a deficient number, since it is larger than the sum of its proper divisors (1).

74504113 is an equidigital number, since it uses as much as digits as its factorization.

74504113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 74504113 is about 8631.5765072205. The cubic root of 74504113 is about 420.7848382333.

The spelling of 74504113 in words is "seventy-four million, five hundred four thousand, one hundred thirteen".