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6672747 = 313116979
BaseRepresentation
bin11001011101000101101011
3110120000021210
4121131011223
53202011442
6355004203
7110501034
oct31350553
913500253
106672747
113848374
122299663
1314c8293
14c59a8b
158bc19c
hex65d16b

6672747 has 8 divisors (see below), whose sum is σ = 8965440. Its totient is φ = 4414280.

The previous prime is 6672703. The next prime is 6672749. The reversal of 6672747 is 7472766.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6672747 - 26 = 6672683 is a prime.

It is a d-powerful number, because it can be written as 6 + 65 + 77 + 25 + 77 + 411 + 77 .

It is not an unprimeable number, because it can be changed into a prime (6672749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8097 + ... + 8882.

It is an arithmetic number, because the mean of its divisors is an integer number (1120680).

Almost surely, 26672747 is an apocalyptic number.

6672747 is a deficient number, since it is larger than the sum of its proper divisors (2292693).

6672747 is a wasteful number, since it uses less digits than its factorization.

6672747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17113.

The product of its digits is 98784, while the sum is 39.

The square root of 6672747 is about 2583.1660806073. The cubic root of 6672747 is about 188.2644065171.

The spelling of 6672747 in words is "six million, six hundred seventy-two thousand, seven hundred forty-seven".

Divisors: 1 3 131 393 16979 50937 2224249 6672747