6662372 has 12 divisors (see below), whose sum is σ = 11687676. Its totient is φ = 3323040.

The previous prime is 6662371. The next prime is 6662393. The reversal of 6662372 is 2732666.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 6031936 = 794^2 + 2456^2 .

It is a d-powerful number, because it can be written as 6⁶ + 6⁶ + 6⁷ + 2⁵ + 3 + 7⁸ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (6662371) 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 3 ways as a sum of consecutive naturals, for example, 38 + ... + 3650.

It is an arithmetic number, because the mean of its divisors is an integer number (973973).

Almost surely, 2^6662372 is an apocalyptic number.

It is an amenable number.

6662372 is a deficient number, since it is larger than the sum of its proper divisors (5025304).

6662372 is a wasteful number, since it uses less digits than its factorization.

6662372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4076 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 6662372 is about 2581.1571048660. The cubic root of 6662372 is about 188.1667827341.

The spelling of 6662372 in words is "six million, six hundred sixty-two thousand, three hundred seventy-two".