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72090827 is a prime number
BaseRepresentation
bin1000100110000…
…00010011001011
312000122121000122
410103000103023
5121423401302
611053053455
71533522224
oct423002313
9160577018
1072090827
11377699a6
122018728b
1311c213c3
14980824b
1564e03a2
hex44c04cb

72090827 has 2 divisors, whose sum is σ = 72090828. Its totient is φ = 72090826.

The previous prime is 72090797. The next prime is 72090847. The reversal of 72090827 is 72809027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72090827 - 222 = 67896523 is a prime.

It is not a weakly prime, because it can be changed into another prime (72090847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36045413 + 36045414.

It is an arithmetic number, because the mean of its divisors is an integer number (36045414).

Almost surely, 272090827 is an apocalyptic number.

72090827 is a deficient number, since it is larger than the sum of its proper divisors (1).

72090827 is an equidigital number, since it uses as much as digits as its factorization.

72090827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 72090827 is about 8490.6317197250. The cubic root of 72090827 is about 416.1916242268.

The spelling of 72090827 in words is "seventy-two million, ninety thousand, eight hundred twenty-seven".