74614609 has 2 divisors, whose sum is σ = 74614610. Its totient is φ = 74614608.

The previous prime is 74614601. The next prime is 74614621. The reversal of 74614609 is 90641647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74442384 + 172225 = 8628^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 74614609 - 2³ = 74614601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74614601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37307304 + 37307305.

It is an arithmetic number, because the mean of its divisors is an integer number (37307305).

Almost surely, 2^74614609 is an apocalyptic number.

It is an amenable number.

74614609 is a deficient number, since it is larger than the sum of its proper divisors (1).

74614609 is an equidigital number, since it uses as much as digits as its factorization.

74614609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74614609 is about 8637.9748205236. The cubic root of 74614609 is about 420.9927555019.

The spelling of 74614609 in words is "seventy-four million, six hundred fourteen thousand, six hundred nine".