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72676223 is a prime number
BaseRepresentation
bin1000101010011…
…11001101111111
312001202100000222
410111033031333
5122101114343
611113411555
71541511014
oct425171577
9161670028
1072676223
11380297a4
1220409bbb
13120979a9
14991b70b
1565a8a68
hex454f37f

72676223 has 2 divisors, whose sum is σ = 72676224. Its totient is φ = 72676222.

The previous prime is 72676181. The next prime is 72676249. The reversal of 72676223 is 32267627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72676223 - 210 = 72675199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72676423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36338111 + 36338112.

It is an arithmetic number, because the mean of its divisors is an integer number (36338112).

Almost surely, 272676223 is an apocalyptic number.

72676223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72676223 is an equidigital number, since it uses as much as digits as its factorization.

72676223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 72676223 is about 8525.0350732416. The cubic root of 72676223 is about 417.3151162458.

The spelling of 72676223 in words is "seventy-two million, six hundred seventy-six thousand, two hundred twenty-three".