74033129 has 2 divisors, whose sum is σ = 74033130. Its totient is φ = 74033128.

The previous prime is 74033123. The next prime is 74033149. The reversal of 74033129 is 92133047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 6135529 = 8240^2 + 2477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74033129 is a prime.

It is not a weakly prime, because it can be changed into another prime (74033123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37016564 + 37016565.

It is an arithmetic number, because the mean of its divisors is an integer number (37016565).

Almost surely, 2^74033129 is an apocalyptic number.

It is an amenable number.

74033129 is a deficient number, since it is larger than the sum of its proper divisors (1).

74033129 is an equidigital number, since it uses as much as digits as its factorization.

74033129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 74033129 is about 8604.2506355870. The cubic root of 74033129 is about 419.8962876951.

The spelling of 74033129 in words is "seventy-four million, thirty-three thousand, one hundred twenty-nine".