73808069 has 2 divisors, whose sum is σ = 73808070. Its totient is φ = 73808068.

The previous prime is 73808051. The next prime is 73808093. The reversal of 73808069 is 96080837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 2608225 = 8438^2 + 1615^2 .

It is an emirp because it is prime and its reverse (96080837) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73808069 is a prime.

It is a super-2 number, since 2×73808069² = 10895262099017522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73808029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36904034 + 36904035.

It is an arithmetic number, because the mean of its divisors is an integer number (36904035).

Almost surely, 2^73808069 is an apocalyptic number.

It is an amenable number.

73808069 is a deficient number, since it is larger than the sum of its proper divisors (1).

73808069 is an equidigital number, since it uses as much as digits as its factorization.

73808069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 73808069 is about 8591.1622613009. The cubic root of 73808069 is about 419.4703622415.

The spelling of 73808069 in words is "seventy-three million, eight hundred eight thousand, sixty-nine".