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72575803 is a prime number
BaseRepresentation
bin1000101001101…
…10101100111011
312001120020021201
410110312230323
5122034411203
611111315031
71540612156
oct424665473
9161506251
1072575803
1137a70303
122037ba77
1312061081
1498d2c9d
156588e1d
hex4536b3b

72575803 has 2 divisors, whose sum is σ = 72575804. Its totient is φ = 72575802.

The previous prime is 72575791. The next prime is 72575827. The reversal of 72575803 is 30857527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72575803 - 217 = 72444731 is a prime.

It is not a weakly prime, because it can be changed into another prime (72575843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36287901 + 36287902.

It is an arithmetic number, because the mean of its divisors is an integer number (36287902).

Almost surely, 272575803 is an apocalyptic number.

72575803 is a deficient number, since it is larger than the sum of its proper divisors (1).

72575803 is an equidigital number, since it uses as much as digits as its factorization.

72575803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 72575803 is about 8519.1433254759. The cubic root of 72575803 is about 417.1228199735.

The spelling of 72575803 in words is "seventy-two million, five hundred seventy-five thousand, eight hundred three".