7073409 has 8 divisors (see below), whose sum is σ = 10778560. Its totient is φ = 4041936.

The previous prime is 7073399. The next prime is 7073441. The reversal of 7073409 is 9043707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7073409 - 2⁷ = 7073281 is a prime.

It is a super-2 number, since 2×7073409² = 100066229762562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7073459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168394 + ... + 168435.

It is an arithmetic number, because the mean of its divisors is an integer number (1347320).

Almost surely, 2^7073409 is an apocalyptic number.

It is an amenable number.

7073409 is a deficient number, since it is larger than the sum of its proper divisors (3705151).

7073409 is a wasteful number, since it uses less digits than its factorization.

7073409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336839.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 7073409 is about 2659.5881260075. The cubic root of 7073409 is about 191.9594912369.

The spelling of 7073409 in words is "seven million, seventy-three thousand, four hundred nine".