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72487627 is a prime number
BaseRepresentation
bin1000101001000…
…01001011001011
312001101202022221
410110201023023
5122024101002
611105354511
71540064122
oct424411313
9161352287
1072487627
1137a10033
1220338a37
131202cbb4
1498acab9
15656cc37
hex45212cb

72487627 has 2 divisors, whose sum is σ = 72487628. Its totient is φ = 72487626.

The previous prime is 72487601. The next prime is 72487669. The reversal of 72487627 is 72678427.

It is a weak prime.

It is an emirp because it is prime and its reverse (72678427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72487627 is a prime.

It is a super-2 number, since 2×724876272 = 10508912136182258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72487687) 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, 36243813 + 36243814.

It is an arithmetic number, because the mean of its divisors is an integer number (36243814).

Almost surely, 272487627 is an apocalyptic number.

72487627 is a deficient number, since it is larger than the sum of its proper divisors (1).

72487627 is an equidigital number, since it uses as much as digits as its factorization.

72487627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 43.

The square root of 72487627 is about 8513.9665843836. The cubic root of 72487627 is about 416.9538236704.

The spelling of 72487627 in words is "seventy-two million, four hundred eighty-seven thousand, six hundred twenty-seven".