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72277067 is a prime number
BaseRepresentation
bin1000100111011…
…01110001001011
312001000001111102
410103231301023
5122000331232
611101052015
71535226212
oct423556113
9161001442
1072277067
1137886915
122025700b
1311c880c5
149856079
15652a662
hex44edc4b

72277067 has 2 divisors, whose sum is σ = 72277068. Its totient is φ = 72277066.

The previous prime is 72276983. The next prime is 72277087. The reversal of 72277067 is 76077227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72277067 - 212 = 72272971 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72277067.

It is not a weakly prime, because it can be changed into another prime (72277087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36138533 + 36138534.

It is an arithmetic number, because the mean of its divisors is an integer number (36138534).

Almost surely, 272277067 is an apocalyptic number.

72277067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72277067 is an equidigital number, since it uses as much as digits as its factorization.

72277067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 72277067 is about 8501.5920273793. The cubic root of 72277067 is about 416.5497135936.

The spelling of 72277067 in words is "seventy-two million, two hundred seventy-seven thousand, sixty-seven".