73485617 has 2 divisors, whose sum is σ = 73485618. Its totient is φ = 73485616.

The previous prime is 73485557. The next prime is 73485631. The reversal of 73485617 is 71658437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68574961 + 4910656 = 8281^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 73485617 - 2⁶ = 73485553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73485677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36742808 + 36742809.

It is an arithmetic number, because the mean of its divisors is an integer number (36742809).

Almost surely, 2^73485617 is an apocalyptic number.

It is an amenable number.

73485617 is a deficient number, since it is larger than the sum of its proper divisors (1).

73485617 is an equidigital number, since it uses as much as digits as its factorization.

73485617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 73485617 is about 8572.3752251053. The cubic root of 73485617 is about 418.8586111083.

The spelling of 73485617 in words is "seventy-three million, four hundred eighty-five thousand, six hundred seventeen".