7622147328 has 36 divisors (see below), whose sum is σ = 20286029568. Its totient is φ = 2540715520.

The previous prime is 7622147317. The next prime is 7622147333. The reversal of 7622147328 is 8237412267.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7622147328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961568 + ... + 4963103.

Almost surely, 2^7622147328 is an apocalyptic number.

It is an amenable number.

7622147328 is an abundant number, since it is smaller than the sum of its proper divisors (12663882240).

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

7622147328 is an equidigital number, since it uses as much as digits as its factorization.

7622147328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924690 (or 9924676 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 7622147328 is about 87304.9101024679. The cubic root of 7622147328 is about 1968.0031066115.

The spelling of 7622147328 in words is "seven billion, six hundred twenty-two million, one hundred forty-seven thousand, three hundred twenty-eight".