73289647 has 2 divisors, whose sum is σ = 73289648. Its totient is φ = 73289646.

The previous prime is 73289639. The next prime is 73289663. The reversal of 73289647 is 74698237.

It is a weak prime.

It is an emirp because it is prime and its reverse (74698237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73289647 - 2³ = 73289639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 73289597 and 73289606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73289617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36644823 + 36644824.

It is an arithmetic number, because the mean of its divisors is an integer number (36644824).

Almost surely, 2^73289647 is an apocalyptic number.

73289647 is a deficient number, since it is larger than the sum of its proper divisors (1).

73289647 is an equidigital number, since it uses as much as digits as its factorization.

73289647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 73289647 is about 8560.9372734532. The cubic root of 73289647 is about 418.4859449999.

The spelling of 73289647 in words is "seventy-three million, two hundred eighty-nine thousand, six hundred forty-seven".