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74470093 is a prime number
BaseRepresentation
bin1000111000001…
…01001011001101
312012010110202121
410130011023031
5123031020333
611220052541
71562661655
oct434051315
9165113677
1074470093
1139044535
1220b34151
1312575359
149c67365
15681032d
hex47052cd

74470093 has 2 divisors, whose sum is σ = 74470094. Its totient is φ = 74470092.

The previous prime is 74470073. The next prime is 74470163. The reversal of 74470093 is 39007447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42863209 + 31606884 = 6547^2 + 5622^2 .

It is an emirp because it is prime and its reverse (39007447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74470093 - 217 = 74339021 is a prime.

It is equal to p4365097 and since 74470093 and 4365097 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74470073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37235046 + 37235047.

It is an arithmetic number, because the mean of its divisors is an integer number (37235047).

Almost surely, 274470093 is an apocalyptic number.

It is an amenable number.

74470093 is a deficient number, since it is larger than the sum of its proper divisors (1).

74470093 is an equidigital number, since it uses as much as digits as its factorization.

74470093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74470093 is about 8629.6056109187. The cubic root of 74470093 is about 420.7207823531.

The spelling of 74470093 in words is "seventy-four million, four hundred seventy thousand, ninety-three".