7070409 has 20 divisors (see below), whose sum is σ = 10824660. Its totient is φ = 4596480.

The previous prime is 7070389. The next prime is 7070417. The reversal of 7070409 is 9040707.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 6125625 = 972^2 + 2475^2 .

It is not a de Polignac number, because 7070409 - 2⁵ = 7070377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7070009) 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 19 ways as a sum of consecutive naturals, for example, 2257 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (541233).

Almost surely, 2^7070409 is an apocalyptic number.

It is an amenable number.

7070409 is a deficient number, since it is larger than the sum of its proper divisors (3754251).

7070409 is a wasteful number, since it uses less digits than its factorization.

7070409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 7070409 is about 2659.0240690900. The cubic root of 7070409 is about 191.9323492131.

The spelling of 7070409 in words is "seven million, seventy thousand, four hundred nine".