73489069 has 2 divisors, whose sum is σ = 73489070. Its totient is φ = 73489068.

The previous prime is 73489063. The next prime is 73489081. The reversal of 73489069 is 96098437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 1408969 = 8490^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 73489069 - 2³ = 73489061 is a prime.

It is a super-2 number, since 2×73489069² = 10801286524973522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73489061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36744534 + 36744535.

It is an arithmetic number, because the mean of its divisors is an integer number (36744535).

Almost surely, 2^73489069 is an apocalyptic number.

It is an amenable number.

73489069 is a deficient number, since it is larger than the sum of its proper divisors (1).

73489069 is an equidigital number, since it uses as much as digits as its factorization.

73489069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 73489069 is about 8572.5765671705. The cubic root of 73489069 is about 418.8651696584.

The spelling of 73489069 in words is "seventy-three million, four hundred eighty-nine thousand, sixty-nine".