6449772 has 48 divisors (see below), whose sum is σ = 17561600. Its totient is φ = 1841616.

The previous prime is 6449761. The next prime is 6449777. The reversal of 6449772 is 2779446.

It is a self number, because there is not a number n which added to its sum of digits gives 6449772.

It is not an unprimeable number, because it can be changed into a prime (6449777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3333 + ... + 4899.

Almost surely, 2^6449772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6449772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8780800).

6449772 is an abundant number, since it is smaller than the sum of its proper divisors (11111828).

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

6449772 is a wasteful number, since it uses less digits than its factorization.

6449772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1579 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 6449772 is about 2539.6401319872. The cubic root of 6449772 is about 186.1436051347.

The spelling of 6449772 in words is "six million, four hundred forty-nine thousand, seven hundred seventy-two".