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672079 is a prime number
BaseRepresentation
bin10100100000101001111
31021010220211
42210011033
5133001304
622223251
75466262
oct2440517
91233824
10672079
11419a41
12284b27
131a6ba5
14136cd9
15d4204
hexa414f

672079 has 2 divisors, whose sum is σ = 672080. Its totient is φ = 672078.

The previous prime is 672073. The next prime is 672097. The reversal of 672079 is 970276.

It is a happy number.

Together with next prime (672097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 672079 - 211 = 670031 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 672079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336039 + 336040.

It is an arithmetic number, because the mean of its divisors is an integer number (336040).

2672079 is an apocalyptic number.

672079 is a deficient number, since it is larger than the sum of its proper divisors (1).

672079 is an equidigital number, since it uses as much as digits as its factorization.

672079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 672079 is about 819.8042449268. The cubic root of 672079 is about 87.5938150245.

The spelling of 672079 in words is "six hundred seventy-two thousand, seventy-nine".