7070405 has 4 divisors (see below), whose sum is σ = 8484492. Its totient is φ = 5656320.

The previous prime is 7070389. The next prime is 7070417. The reversal of 7070405 is 5040707.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5040707 = 7 ⋅720101.

It can be written as a sum of positive squares in 2 ways, for example, as 835396 + 6235009 = 914^2 + 2497^2 .

It is not a de Polignac number, because 7070405 - 2⁴ = 7070389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 707036 + ... + 707045.

It is an arithmetic number, because the mean of its divisors is an integer number (2121123).

Almost surely, 2^7070405 is an apocalyptic number.

It is an amenable number.

7070405 is a deficient number, since it is larger than the sum of its proper divisors (1414087).

7070405 is a wasteful number, since it uses less digits than its factorization.

7070405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414086.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7070405 is about 2659.0233169342. The cubic root of 7070405 is about 191.9323130186.

The spelling of 7070405 in words is "seven million, seventy thousand, four hundred five".