74362009 has 2 divisors, whose sum is σ = 74362010. Its totient is φ = 74362008.

The previous prime is 74361997. The next prime is 74362031. The reversal of 74362009 is 90026347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68112009 + 6250000 = 8253^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 74362009 - 2¹⁹ = 73837721 is a prime.

It is not a weakly prime, because it can be changed into another prime (74362109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37181004 + 37181005.

It is an arithmetic number, because the mean of its divisors is an integer number (37181005).

Almost surely, 2^74362009 is an apocalyptic number.

It is an amenable number.

74362009 is a deficient number, since it is larger than the sum of its proper divisors (1).

74362009 is an equidigital number, since it uses as much as digits as its factorization.

74362009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 74362009 is about 8623.3409418856. The cubic root of 74362009 is about 420.5171426525.

The spelling of 74362009 in words is "seventy-four million, three hundred sixty-two thousand, nine".