Base | Representation |
---|---|
bin | 1000100101111… |
… | …00010111001011 |
3 | 12000121202220022 |
4 | 10102330113023 |
5 | 121422342244 |
6 | 11052451055 |
7 | 1533424214 |
oct | 422742713 |
9 | 160552808 |
10 | 72074699 |
11 | 37758874 |
12 | 20179a8b |
13 | 11c16c68 |
14 | 980240b |
15 | 64da6ee |
hex | 44bc5cb |
72074699 has 2 divisors, whose sum is σ = 72074700. Its totient is φ = 72074698.
The previous prime is 72074687. The next prime is 72074719. The reversal of 72074699 is 99647027.
It is a weak prime.
It is an emirp because it is prime and its reverse (99647027) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72074699 - 24 = 72074683 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (72074609) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36037349 + 36037350.
It is an arithmetic number, because the mean of its divisors is an integer number (36037350).
Almost surely, 272074699 is an apocalyptic number.
72074699 is a deficient number, since it is larger than the sum of its proper divisors (1).
72074699 is an equidigital number, since it uses as much as digits as its factorization.
72074699 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 190512, while the sum is 44.
The square root of 72074699 is about 8489.6819139471. The cubic root of 72074699 is about 416.1605854229.
The spelling of 72074699 in words is "seventy-two million, seventy-four thousand, six hundred ninety-nine".
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