8074309 has 2 divisors, whose sum is σ = 8074310. Its totient is φ = 8074308.

The previous prime is 8074301. The next prime is 8074349. The reversal of 8074309 is 9034708.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4743684 + 3330625 = 2178^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 8074309 - 2³ = 8074301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8074301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037154 + 4037155.

It is an arithmetic number, because the mean of its divisors is an integer number (4037155).

Almost surely, 2^8074309 is an apocalyptic number.

It is an amenable number.

8074309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8074309 is an equidigital number, since it uses as much as digits as its factorization.

8074309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 8074309 is about 2841.5328609749. The cubic root of 8074309 is about 200.6173341985.

The spelling of 8074309 in words is "eight million, seventy-four thousand, three hundred nine".