7064809 has 4 divisors (see below), whose sum is σ = 7480404. Its totient is φ = 6649216.

The previous prime is 7064797. The next prime is 7064819. The reversal of 7064809 is 9084607.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6487209 + 577600 = 2547^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 7064809 - 2⁹ = 7064297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7064819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207772 + ... + 207805.

It is an arithmetic number, because the mean of its divisors is an integer number (1870101).

Almost surely, 2^7064809 is an apocalyptic number.

It is an amenable number.

7064809 is a deficient number, since it is larger than the sum of its proper divisors (415595).

7064809 is a wasteful number, since it uses less digits than its factorization.

7064809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415594.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7064809 is about 2657.9708425790. The cubic root of 7064809 is about 191.8816635528.

The spelling of 7064809 in words is "seven million, sixty-four thousand, eight hundred nine".