74006609 has 2 divisors, whose sum is σ = 74006610. Its totient is φ = 74006608.

The previous prime is 74006587. The next prime is 74006677. The reversal of 74006609 is 90660047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65286400 + 8720209 = 8080^2 + 2953^2 .

It is a cyclic number.

It is not a de Polignac number, because 74006609 - 2¹⁶ = 73941073 is a prime.

It is not a weakly prime, because it can be changed into another prime (74006209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37003304 + 37003305.

It is an arithmetic number, because the mean of its divisors is an integer number (37003305).

Almost surely, 2^74006609 is an apocalyptic number.

It is an amenable number.

74006609 is a deficient number, since it is larger than the sum of its proper divisors (1).

74006609 is an equidigital number, since it uses as much as digits as its factorization.

74006609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 74006609 is about 8602.7093987883. The cubic root of 74006609 is about 419.8461435699.

The spelling of 74006609 in words is "seventy-four million, six thousand, six hundred nine".