7421332426 has 8 divisors (see below), whose sum is σ = 11140638660. Its totient is φ = 3707786208.

The previous prime is 7421332411. The next prime is 7421332427. The reversal of 7421332426 is 6242331247.

It can be written as a sum of positive squares in 2 ways, for example, as 7284793201 + 136539225 = 85351^2 + 11685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7421332391 and 7421332400.

It is not an unprimeable number, because it can be changed into a prime (7421332427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436781 + ... + 1441936.

Almost surely, 2^7421332426 is an apocalyptic number.

7421332426 is a deficient number, since it is larger than the sum of its proper divisors (3719306234).

7421332426 is a wasteful number, since it uses less digits than its factorization.

7421332426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880008.

The product of its digits is 48384, while the sum is 34.

The square root of 7421332426 is about 86147.1556466027. The cubic root of 7421332426 is about 1950.5659042183.

The spelling of 7421332426 in words is "seven billion, four hundred twenty-one million, three hundred thirty-two thousand, four hundred twenty-six".