7630420 has 24 divisors (see below), whose sum is σ = 18313344. Its totient is φ = 2616096.

The previous prime is 7630379. The next prime is 7630421. The reversal of 7630420 is 240367.

7630420 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

7630420 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 7630391 and 7630400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27112 + ... + 27391.

It is an arithmetic number, because the mean of its divisors is an integer number (763056).

Almost surely, 2^7630420 is an apocalyptic number.

7630420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7630420 is an abundant number, since it is smaller than the sum of its proper divisors (10682924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7630420 is a wasteful number, since it uses less digits than its factorization.

7630420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54519 (or 54517 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 7630420 is about 2762.3214874449. The cubic root of 7630420 is about 196.8714837702.

Adding to 7630420 its reverse (240367), we get a palindrome (7870787).

The spelling of 7630420 in words is "seven million, six hundred thirty thousand, four hundred twenty".