74552113 has 2 divisors, whose sum is σ = 74552114. Its totient is φ = 74552112.

The previous prime is 74552047. The next prime is 74552119. The reversal of 74552113 is 31125547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70006689 + 4545424 = 8367^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 74552113 - 2⁹ = 74551601 is a prime.

It is not a weakly prime, because it can be changed into another prime (74552119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37276056 + 37276057.

It is an arithmetic number, because the mean of its divisors is an integer number (37276057).

Almost surely, 2^74552113 is an apocalyptic number.

It is an amenable number.

74552113 is a deficient number, since it is larger than the sum of its proper divisors (1).

74552113 is an equidigital number, since it uses as much as digits as its factorization.

74552113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 74552113 is about 8634.3565481164. The cubic root of 74552113 is about 420.8751837433.

The spelling of 74552113 in words is "seventy-four million, five hundred fifty-two thousand, one hundred thirteen".