7056424 has 16 divisors (see below), whose sum is σ = 13264020. Its totient is φ = 3519360.

The previous prime is 7056421. The next prime is 7056451. The reversal of 7056424 is 4246507.

It can be written as a sum of positive squares in 2 ways, for example, as 6853924 + 202500 = 2618^2 + 450^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7056392 and 7056401.

It is not an unprimeable number, because it can be changed into a prime (7056421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322 + ... + 5014.

Almost surely, 2^7056424 is an apocalyptic number.

It is an amenable number.

7056424 is a deficient number, since it is larger than the sum of its proper divisors (6207596).

7056424 is a wasteful number, since it uses less digits than its factorization.

7056424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 7056424 is about 2656.3930432073. The cubic root of 7056424 is about 191.8057207261.

The spelling of 7056424 in words is "seven million, fifty-six thousand, four hundred twenty-four".