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72314069 is a prime number
BaseRepresentation
bin1000100111101…
…10110011010101
312001001221020212
410103312303111
5122003022234
611101535205
71535442122
oct423666325
9161057225
1072314069
11379016a3
1220274505
1311c9bbb9
149865749
1565365ce
hex44f6cd5

72314069 has 2 divisors, whose sum is σ = 72314070. Its totient is φ = 72314068.

The previous prime is 72314027. The next prime is 72314071. The reversal of 72314069 is 96041327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 15311569 = 7550^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 72314069 - 224 = 55536853 is a prime.

It is a super-2 number, since 2×723140692 = 10458649150673522, which contains 22 as substring.

Together with 72314071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72314009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36157034 + 36157035.

It is an arithmetic number, because the mean of its divisors is an integer number (36157035).

Almost surely, 272314069 is an apocalyptic number.

It is an amenable number.

72314069 is a deficient number, since it is larger than the sum of its proper divisors (1).

72314069 is an equidigital number, since it uses as much as digits as its factorization.

72314069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 72314069 is about 8503.7679295710. The cubic root of 72314069 is about 416.6207852057.

The spelling of 72314069 in words is "seventy-two million, three hundred fourteen thousand, sixty-nine".