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72230827 is a prime number
BaseRepresentation
bin1000100111000…
…10011110101011
312000220201001211
410103202132223
5121442341302
611100053551
71534644334
oct423423653
9160821054
1072230827
11378550a9
12202342b7
1311c70046
14984328b
15651bad7
hex44e27ab

72230827 has 2 divisors, whose sum is σ = 72230828. Its totient is φ = 72230826.

The previous prime is 72230813. The next prime is 72230839. The reversal of 72230827 is 72803227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72230827 - 215 = 72198059 is a prime.

It is not a weakly prime, because it can be changed into another prime (72230867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36115413 + 36115414.

It is an arithmetic number, because the mean of its divisors is an integer number (36115414).

Almost surely, 272230827 is an apocalyptic number.

72230827 is a deficient number, since it is larger than the sum of its proper divisors (1).

72230827 is an equidigital number, since it uses as much as digits as its factorization.

72230827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 72230827 is about 8498.8721016380. The cubic root of 72230827 is about 416.4608639831.

The spelling of 72230827 in words is "seventy-two million, two hundred thirty thousand, eight hundred twenty-seven".