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72766063 is a prime number
BaseRepresentation
bin1000101011001…
…01001001101111
312001220220021101
410111211021233
5122112003223
611115343531
71542333646
oct425451157
9161826241
1072766063
1138090247
1220451ba7
13120c9856
14994235d
1565c54ad
hex456526f

72766063 has 2 divisors, whose sum is σ = 72766064. Its totient is φ = 72766062.

The previous prime is 72766039. The next prime is 72766081. The reversal of 72766063 is 36066727.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72766063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72766003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36383031 + 36383032.

It is an arithmetic number, because the mean of its divisors is an integer number (36383032).

Almost surely, 272766063 is an apocalyptic number.

72766063 is a deficient number, since it is larger than the sum of its proper divisors (1).

72766063 is an equidigital number, since it uses as much as digits as its factorization.

72766063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 72766063 is about 8530.3026323806. The cubic root of 72766063 is about 417.4870025954.

The spelling of 72766063 in words is "seventy-two million, seven hundred sixty-six thousand, sixty-three".