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70079 is a prime number
BaseRepresentation
bin10001000110111111
310120010112
4101012333
54220304
61300235
7411212
oct210677
9116115
1070079
1148719
123467b
1325b89
141b779
1515b6e
hex111bf

70079 has 2 divisors, whose sum is σ = 70080. Its totient is φ = 70078.

The previous prime is 70067. The next prime is 70099. The reversal of 70079 is 97007.

It is a weak prime.

It is an emirp because it is prime and its reverse (97007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70079 - 212 = 65983 is a prime.

It is a super-3 number, since 3×700793 = 1032487833309117, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is an Ulam number.

It is equal to p6944 and since 70079 and 6944 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35039 + 35040.

It is an arithmetic number, because the mean of its divisors is an integer number (35040).

270079 is an apocalyptic number.

70079 is a deficient number, since it is larger than the sum of its proper divisors (1).

70079 is an equidigital number, since it uses as much as digits as its factorization.

70079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 70079 is about 264.7243849743. The cubic root of 70079 is about 41.2283510521.

The spelling of 70079 in words is "seventy thousand, seventy-nine".