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72045119 is a prime number
BaseRepresentation
bin1000100101101…
…01001000111111
312000120021022202
410102311020333
5121420420434
611052102115
71533242036
oct422651077
9160507282
1072045119
1137738623
122016493b
1311c06663
1497d571d
1564d1a7e
hex44b523f

72045119 has 2 divisors, whose sum is σ = 72045120. Its totient is φ = 72045118.

The previous prime is 72045109. The next prime is 72045137. The reversal of 72045119 is 91154027.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72045119 is a prime.

It is a super-2 number, since 2×720451192 = 10380998343448322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72045091 and 72045100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72045109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36022559 + 36022560.

It is an arithmetic number, because the mean of its divisors is an integer number (36022560).

Almost surely, 272045119 is an apocalyptic number.

72045119 is a deficient number, since it is larger than the sum of its proper divisors (1).

72045119 is an equidigital number, since it uses as much as digits as its factorization.

72045119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 72045119 is about 8487.9396204261. The cubic root of 72045119 is about 416.1036458185.

The spelling of 72045119 in words is "seventy-two million, forty-five thousand, one hundred nineteen".