7421025430 has 32 divisors (see below), whose sum is σ = 16440427584. Its totient is φ = 2348631936.

The previous prime is 7421025421. The next prime is 7421025457. The reversal of 7421025430 is 345201247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4076577 + ... + 4078396.

It is an arithmetic number, because the mean of its divisors is an integer number (513763362).

Almost surely, 2^7421025430 is an apocalyptic number.

7421025430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7421025430 is an abundant number, since it is smaller than the sum of its proper divisors (9019402154).

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

7421025430 is a wasteful number, since it uses less digits than its factorization.

7421025430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155000.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 7421025430 is about 86145.3738165898. The cubic root of 7421025430 is about 1950.5390076920.

Adding to 7421025430 its reverse (345201247), we get a palindrome (7766226677).

The spelling of 7421025430 in words is "seven billion, four hundred twenty-one million, twenty-five thousand, four hundred thirty".