7070440 has 32 divisors (see below), whose sum is σ = 17133480. Its totient is φ = 2610432.

The previous prime is 7070431. The next prime is 7070467. The reversal of 7070440 is 440707.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2735716 + 4334724 = 1654^2 + 2082^2 .

It is a super-2 number, since 2×7070440² = 99982243587200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6279 + ... + 7318.

Almost surely, 2^7070440 is an apocalyptic number.

It is an amenable number.

7070440 is an abundant number, since it is smaller than the sum of its proper divisors (10063040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7070440 is a wasteful number, since it uses less digits than its factorization.

7070440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621 (or 13617 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 7070440 is about 2659.0298982900. The cubic root of 7070440 is about 191.9326297199.

The spelling of 7070440 in words is "seven million, seventy thousand, four hundred forty".