7630018 has 24 divisors (see below), whose sum is σ = 12903660. Its totient is φ = 3379200.

The previous prime is 7630009. The next prime is 7630019. The reversal of 7630018 is 8100367.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 833569 = 2607^2 + 913^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7629974 and 7630001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630019) 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 11 ways as a sum of consecutive naturals, for example, 9538 + ... + 10306.

Almost surely, 2^7630018 is an apocalyptic number.

7630018 is a deficient number, since it is larger than the sum of its proper divisors (5273642).

7630018 is a wasteful number, since it uses less digits than its factorization.

7630018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7630018 is about 2762.2487216035. The cubic root of 7630018 is about 196.8680263928.

The spelling of 7630018 in words is "seven million, six hundred thirty thousand, eighteen".