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72000263 is a prime number
BaseRepresentation
bin1000100101010…
…10001100000111
312000110222210102
410102222030013
5121413002023
611051114315
71532664206
oct422521407
9160428712
1072000263
1137707955
122014299b
1311bbc10a
1497c323d
1564c3628
hex44aa307

72000263 has 2 divisors, whose sum is σ = 72000264. Its totient is φ = 72000262.

The previous prime is 72000251. The next prime is 72000283. The reversal of 72000263 is 36200027.

It is an a-pointer prime, because the next prime (72000283) can be obtained adding 72000263 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72000263 - 28 = 72000007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000131 + 36000132.

It is an arithmetic number, because the mean of its divisors is an integer number (36000132).

Almost surely, 272000263 is an apocalyptic number.

72000263 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000263 is an equidigital number, since it uses as much as digits as its factorization.

72000263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 72000263 is about 8485.2968716480. The cubic root of 72000263 is about 416.0172711487.

The spelling of 72000263 in words is "seventy-two million, two hundred sixty-three", and thus it is an aban number.