7028842 has 8 divisors (see below), whose sum is σ = 10556100. Its totient is φ = 3510144.

The previous prime is 7028839. The next prime is 7028843. The reversal of 7028842 is 2488207.

It can be written as a sum of positive squares in 2 ways, for example, as 6869641 + 159201 = 2621^2 + 399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×7028842³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7028843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634 + ... + 3802.

Almost surely, 2^7028842 is an apocalyptic number.

7028842 is a deficient number, since it is larger than the sum of its proper divisors (3527258).

7028842 is a wasteful number, since it uses less digits than its factorization.

7028842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 7028842 is about 2651.1963337331. The cubic root of 7028842 is about 191.5554856977. Note that the first 3 decimals are identical.

The spelling of 7028842 in words is "seven million, twenty-eight thousand, eight hundred forty-two".