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73190087 is a prime number
BaseRepresentation
bin1000101110011…
…00101011000111
312002201102220222
410113030223013
5122214040322
611132414555
71546051115
oct427145307
9162642828
1073190087
113834a883
122061745b
1312217859
149a12ab5
15665ae42
hex45ccac7

73190087 has 2 divisors, whose sum is σ = 73190088. Its totient is φ = 73190086.

The previous prime is 73190081. The next prime is 73190099. The reversal of 73190087 is 78009137.

It is a weak prime.

It is an emirp because it is prime and its reverse (78009137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73190087 - 212 = 73185991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73190081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36595043 + 36595044.

It is an arithmetic number, because the mean of its divisors is an integer number (36595044).

Almost surely, 273190087 is an apocalyptic number.

73190087 is a deficient number, since it is larger than the sum of its proper divisors (1).

73190087 is an equidigital number, since it uses as much as digits as its factorization.

73190087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 73190087 is about 8555.1205134703. The cubic root of 73190087 is about 418.2963623283.

The spelling of 73190087 in words is "seventy-three million, one hundred ninety thousand, eighty-seven".