74130733 has 2 divisors, whose sum is σ = 74130734. Its totient is φ = 74130732.

The previous prime is 74130713. The next prime is 74130769. The reversal of 74130733 is 33703147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58936329 + 15194404 = 7677^2 + 3898^2 .

It is a cyclic number.

It is not a de Polignac number, because 74130733 - 2⁵ = 74130701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74130713) 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, 37065366 + 37065367.

It is an arithmetic number, because the mean of its divisors is an integer number (37065367).

Almost surely, 2^74130733 is an apocalyptic number.

It is an amenable number.

74130733 is a deficient number, since it is larger than the sum of its proper divisors (1).

74130733 is an equidigital number, since it uses as much as digits as its factorization.

74130733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 74130733 is about 8609.9206151973. The cubic root of 74130733 is about 420.0807346687.

The spelling of 74130733 in words is "seventy-four million, one hundred thirty thousand, seven hundred thirty-three".