73459109 has 2 divisors, whose sum is σ = 73459110. Its totient is φ = 73459108.

The previous prime is 73459069. The next prime is 73459121. The reversal of 73459109 is 90195437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42211009 + 31248100 = 6497^2 + 5590^2 .

It is a cyclic number.

It is not a de Polignac number, because 73459109 - 2¹² = 73455013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73459709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36729554 + 36729555.

It is an arithmetic number, because the mean of its divisors is an integer number (36729555).

Almost surely, 2^73459109 is an apocalyptic number.

It is an amenable number.

73459109 is a deficient number, since it is larger than the sum of its proper divisors (1).

73459109 is an equidigital number, since it uses as much as digits as its factorization.

73459109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 73459109 is about 8570.8289564079. The cubic root of 73459109 is about 418.8082409822.

The spelling of 73459109 in words is "seventy-three million, four hundred fifty-nine thousand, one hundred nine".