6672275856 has 75 divisors (see below), whose sum is σ = 19320016881. Its totient is φ = 2223111744.

The previous prime is 6672275851. The next prime is 6672275879. The reversal of 6672275856 is 6585722766.

The square root of 6672275856 is 81684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 285069456 + 6387206400 = 16884^2 + 79920^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6672275851) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2939490 + ... + 2941758.

Almost surely, 2^6672275856 is an apocalyptic number.

6672275856 is the 81684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6672275856

6672275856 is an abundant number, since it is smaller than the sum of its proper divisors (12647741025).

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

6672275856 is an frugal number, since it uses more digits than its factorization.

6672275856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 2274 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The cubic root of 6672275856 is about 1882.5997547177.

The spelling of 6672275856 in words is "six billion, six hundred seventy-two million, two hundred seventy-five thousand, eight hundred fifty-six".