6466572 has 72 divisors (see below), whose sum is σ = 19009536. Its totient is φ = 1815264.

The previous prime is 6466547. The next prime is 6466591. The reversal of 6466572 is 2756646.

6466572 is a `hidden beast` number, since 646 + 6 + 5 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6⁷ + 4¹¹ + 6⁷ + 6⁸ + 5 + 7 + 2¹⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16693 + ... + 17075.

Almost surely, 2^6466572 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 6466572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9504768).

6466572 is an abundant number, since it is smaller than the sum of its proper divisors (12542964).

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

6466572 is a wasteful number, since it uses less digits than its factorization.

6466572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 462 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 6466572 is about 2542.9455361844. The cubic root of 6466572 is about 186.3050837778.

The spelling of 6466572 in words is "six million, four hundred sixty-six thousand, five hundred seventy-two".