8074809 has 10 divisors (see below), whose sum is σ = 12062490. Its totient is φ = 5383152.

The previous prime is 8074783. The next prime is 8074811. The reversal of 8074809 is 9084708.

It can be written as a sum of positive squares in only one way, i.e., 6487209 + 1587600 = 2547^2 + 1260^2 .

It is not a de Polignac number, because 8074809 - 2⁵ = 8074777 is a prime.

It is a Curzon number.

8074809 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8074009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49764 + ... + 49925.

It is an arithmetic number, because the mean of its divisors is an integer number (1206249).

Almost surely, 2^8074809 is an apocalyptic number.

It is an amenable number.

8074809 is a deficient number, since it is larger than the sum of its proper divisors (3987681).

8074809 is an equidigital number, since it uses as much as digits as its factorization.

8074809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99701 (or 99692 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8074809 is about 2841.6208402952. The cubic root of 8074809 is about 200.6214751761.

The spelling of 8074809 in words is "eight million, seventy-four thousand, eight hundred nine".