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72893 is a prime number
BaseRepresentation
bin10001110010111101
310200222202
4101302331
54313033
61321245
7422342
oct216275
9120882
1072893
114a847
1236225
1327242
141c7c9
15168e8
hex11cbd

72893 has 2 divisors, whose sum is σ = 72894. Its totient is φ = 72892.

The previous prime is 72889. The next prime is 72901. The reversal of 72893 is 39827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41209 + 31684 = 203^2 + 178^2 .

It is an emirp because it is prime and its reverse (39827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72893 - 22 = 72889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36446 + 36447.

It is an arithmetic number, because the mean of its divisors is an integer number (36447).

272893 is an apocalyptic number.

It is an amenable number.

72893 is a deficient number, since it is larger than the sum of its proper divisors (1).

72893 is an equidigital number, since it uses as much as digits as its factorization.

72893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 72893 is about 269.9870367258. The cubic root of 72893 is about 41.7729623765.

The spelling of 72893 in words is "seventy-two thousand, eight hundred ninety-three".