7067428 has 12 divisors (see below), whose sum is σ = 12553072. Its totient is φ = 3480840.

The previous prime is 7067381. The next prime is 7067429. The reversal of 7067428 is 8247607.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7067393 and 7067402.

It is not an unprimeable number, because it can be changed into a prime (7067429) 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 3 ways as a sum of consecutive naturals, for example, 12918 + ... + 13453.

Almost surely, 2^7067428 is an apocalyptic number.

It is an amenable number.

7067428 is a deficient number, since it is larger than the sum of its proper divisors (5485644).

7067428 is a wasteful number, since it uses less digits than its factorization.

7067428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26442 (or 26440 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7067428 is about 2658.4634659893. The cubic root of 7067428 is about 191.9053714828.

Adding to 7067428 its product of nonzero digits (18816), we get a square (7086244 = 2662²).

The spelling of 7067428 in words is "seven million, sixty-seven thousand, four hundred twenty-eight".