7042450 has 24 divisors (see below), whose sum is σ = 13319460. Its totient is φ = 2769600.

The previous prime is 7042423. The next prime is 7042457. The reversal of 7042450 is 542407.

It can be written as a sum of positive squares in 6 ways, for example, as 1766241 + 5276209 = 1329^2 + 2297^2 .

It is a super-2 number, since 2×7042450² = 99192204005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7042457) 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 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 4204.

Almost surely, 2^7042450 is an apocalyptic number.

7042450 is a deficient number, since it is larger than the sum of its proper divisors (6277010).

7042450 is a wasteful number, since it uses less digits than its factorization.

7042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7042450 is about 2653.7614813694. The cubic root of 7042450 is about 191.6790246180.

Adding to 7042450 its reverse (542407), we get a palindrome (7584857).

The spelling of 7042450 in words is "seven million, forty-two thousand, four hundred fifty".