7421340530 has 48 divisors (see below), whose sum is σ = 14166762624. Its totient is φ = 2798681760.

The previous prime is 7421340523. The next prime is 7421340539. The reversal of 7421340530 is 350431247.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7421340493 and 7421340502.

It is not an unprimeable number, because it can be changed into a prime (7421340539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756839 + ... + 766581.

It is an arithmetic number, because the mean of its divisors is an integer number (295140888).

Almost surely, 2^7421340530 is an apocalyptic number.

7421340530 is a deficient number, since it is larger than the sum of its proper divisors (6745422094).

7421340530 is a wasteful number, since it uses less digits than its factorization.

7421340530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9980 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 7421340530 is about 86147.2026823855. The cubic root of 7421340530 is about 1950.5666142157.

Adding to 7421340530 its reverse (350431247), we get a palindrome (7771771777).

The spelling of 7421340530 in words is "seven billion, four hundred twenty-one million, three hundred forty thousand, five hundred thirty".