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72873079 is a prime number
BaseRepresentation
bin1000101011111…
…11010001110111
312002010100001221
410111333101313
5122123414304
611121531211
71543260646
oct425772167
9162110057
1072873079
1138153694
12204a3b07
1312136486
14996d35d
1565e7054
hex457f477

72873079 has 2 divisors, whose sum is σ = 72873080. Its totient is φ = 72873078.

The previous prime is 72873043. The next prime is 72873127. The reversal of 72873079 is 97037827.

It is a weak prime.

It is an emirp because it is prime and its reverse (97037827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72873079 - 27 = 72872951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72873179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36436539 + 36436540.

It is an arithmetic number, because the mean of its divisors is an integer number (36436540).

Almost surely, 272873079 is an apocalyptic number.

72873079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72873079 is an equidigital number, since it uses as much as digits as its factorization.

72873079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 72873079 is about 8536.5730243465. The cubic root of 72873079 is about 417.6915663841.

The spelling of 72873079 in words is "seventy-two million, eight hundred seventy-three thousand, seventy-nine".