74193113 has 2 divisors, whose sum is σ = 74193114. Its totient is φ = 74193112.

The previous prime is 74193079. The next prime is 74193121. The reversal of 74193113 is 31139147.

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., 74166544 + 26569 = 8612^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 74193113 - 2¹⁶ = 74127577 is a prime.

It is not a weakly prime, because it can be changed into another prime (74193143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37096556 + 37096557.

It is an arithmetic number, because the mean of its divisors is an integer number (37096557).

Almost surely, 2^74193113 is an apocalyptic number.

It is an amenable number.

74193113 is a deficient number, since it is larger than the sum of its proper divisors (1).

74193113 is an equidigital number, since it uses as much as digits as its factorization.

74193113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 74193113 is about 8613.5424187729. The cubic root of 74193113 is about 420.1985323680.

The spelling of 74193113 in words is "seventy-four million, one hundred ninety-three thousand, one hundred thirteen".