6772448947 has 8 divisors (see below), whose sum is σ = 7389849600. Its totient is φ = 6155335560.

The previous prime is 6772448927. The next prime is 6772449023. The reversal of 6772448947 is 7498442776.

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

It is a de Polignac number, because none of the positive numbers 2^k-6772448947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6772448891 and 6772448900.

It is not an unprimeable number, because it can be changed into a prime (6772448927) 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, 20947 + ... + 118252.

It is an arithmetic number, because the mean of its divisors is an integer number (923731200).

Almost surely, 2^6772448947 is an apocalyptic number.

6772448947 is a deficient number, since it is larger than the sum of its proper divisors (617400653).

6772448947 is a wasteful number, since it uses less digits than its factorization.

6772448947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143633.

The product of its digits is 18966528, while the sum is 58.

The square root of 6772448947 is about 82294.8901633631. The cubic root of 6772448947 is about 1891.9743602815.

The spelling of 6772448947 in words is "six billion, seven hundred seventy-two million, four hundred forty-eight thousand, nine hundred forty-seven".