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72327043 is a prime number
BaseRepresentation
bin1000100111110…
…01111110000011
312001002121001101
410103321332003
5122003431133
611102115231
71535525005
oct423717603
9161077041
1072327043
1137910418
122027bb17
1311ca4a89
14986a375
15653a37d
hex44f9f83

72327043 has 2 divisors, whose sum is σ = 72327044. Its totient is φ = 72327042.

The previous prime is 72327041. The next prime is 72327071. The reversal of 72327043 is 34072327.

It is an a-pointer prime, because the next prime (72327071) can be obtained adding 72327043 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72327043 - 21 = 72327041 is a prime.

It is a super-2 number, since 2×723270432 = 10462402298247698, which contains 22 as substring.

Together with 72327041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72327041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36163521 + 36163522.

It is an arithmetic number, because the mean of its divisors is an integer number (36163522).

Almost surely, 272327043 is an apocalyptic number.

72327043 is a deficient number, since it is larger than the sum of its proper divisors (1).

72327043 is an equidigital number, since it uses as much as digits as its factorization.

72327043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 72327043 is about 8504.5307336737. The cubic root of 72327043 is about 416.6456992827.

The spelling of 72327043 in words is "seventy-two million, three hundred twenty-seven thousand, forty-three".