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75047627 is a prime number
BaseRepresentation
bin1000111100100…
…10001011001011
312020012210222202
410132102023023
5123203011002
611240310415
71600615514
oct436221313
9166183882
1075047627
11393a9436
122117240b
13127181a5
149d77a0b
1568c6502
hex47922cb

75047627 has 2 divisors, whose sum is σ = 75047628. Its totient is φ = 75047626.

The previous prime is 75047611. The next prime is 75047633. The reversal of 75047627 is 72674057.

It is a strong prime.

It is an emirp because it is prime and its reverse (72674057) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75047627 - 24 = 75047611 is a prime.

It is a super-2 number, since 2×750476272 = 11264292636662258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75047657) 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, 37523813 + 37523814.

It is an arithmetic number, because the mean of its divisors is an integer number (37523814).

Almost surely, 275047627 is an apocalyptic number.

75047627 is a deficient number, since it is larger than the sum of its proper divisors (1).

75047627 is an equidigital number, since it uses as much as digits as its factorization.

75047627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 75047627 is about 8663.0033475695. The cubic root of 75047627 is about 421.8055808009.

The spelling of 75047627 in words is "seventy-five million, forty-seven thousand, six hundred twenty-seven".