Search a number
-
+
6672407 = 72932869
BaseRepresentation
bin11001011101000000010111
3110112222211012
4121131000113
53202004112
6355002435
7110500040
oct31350027
913488735
106672407
113848095
12229941b
1314c8091
14c598c7
158bc022
hex65d017

6672407 has 8 divisors (see below), whose sum is σ = 7888800. Its totient is φ = 5521824.

The previous prime is 6672397. The next prime is 6672433. The reversal of 6672407 is 7042766.

It is a happy number.

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

It is not a de Polignac number, because 6672407 - 210 = 6671383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6672467) 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 7 ways as a sum of consecutive naturals, for example, 16232 + ... + 16637.

It is an arithmetic number, because the mean of its divisors is an integer number (986100).

Almost surely, 26672407 is an apocalyptic number.

6672407 is a deficient number, since it is larger than the sum of its proper divisors (1216393).

6672407 is a wasteful number, since it uses less digits than its factorization.

6672407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32905.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 6672407 is about 2583.1002690565. The cubic root of 6672407 is about 188.2612088842.

The spelling of 6672407 in words is "six million, six hundred seventy-two thousand, four hundred seven".

Divisors: 1 7 29 203 32869 230083 953201 6672407