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72060529 is a prime number
BaseRepresentation
bin1000100101110…
…00111001110001
312000121001110111
410102320321301
5121421414104
611052301321
71533335002
oct422707161
9160531414
1072060529
1137749162
1220171841
1311c10688
1497db1a9
1564d6404
hex44b8e71

72060529 has 2 divisors, whose sum is σ = 72060530. Its totient is φ = 72060528.

The previous prime is 72060503. The next prime is 72060539. The reversal of 72060529 is 92506027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 26471025 = 6752^2 + 5145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72060529 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 72060529.

It is not a weakly prime, because it can be changed into another prime (72060539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36030264 + 36030265.

It is an arithmetic number, because the mean of its divisors is an integer number (36030265).

Almost surely, 272060529 is an apocalyptic number.

It is an amenable number.

72060529 is a deficient number, since it is larger than the sum of its proper divisors (1).

72060529 is an equidigital number, since it uses as much as digits as its factorization.

72060529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 72060529 is about 8488.8473304684. The cubic root of 72060529 is about 416.1333110253.

The spelling of 72060529 in words is "seventy-two million, sixty thousand, five hundred twenty-nine".