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72327071 is a prime number
BaseRepresentation
bin1000100111110…
…01111110011111
312001002121002102
410103321332133
5122003431241
611102115315
71535525045
oct423717637
9161077072
1072327071
1137910443
122027bb3b
1311ca4aab
14986a395
15653a39b
hex44f9f9f

72327071 has 2 divisors, whose sum is σ = 72327072. Its totient is φ = 72327070.

The previous prime is 72327043. The next prime is 72327169. The reversal of 72327071 is 17072327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72327071 - 210 = 72326047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72327001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36163535 + 36163536.

It is an arithmetic number, because the mean of its divisors is an integer number (36163536).

Almost surely, 272327071 is an apocalyptic number.

72327071 is a deficient number, since it is larger than the sum of its proper divisors (1).

72327071 is an equidigital number, since it uses as much as digits as its factorization.

72327071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 72327071 is about 8504.5323798549. The cubic root of 72327071 is about 416.6457530481.

Adding to 72327071 its reverse (17072327), we get a palindrome (89399398).

The spelling of 72327071 in words is "seventy-two million, three hundred twenty-seven thousand, seventy-one".