73908069 has 4 divisors (see below), whose sum is σ = 98544096. Its totient is φ = 49272044.

The previous prime is 73908059. The next prime is 73908071. The reversal of 73908069 is 96080937.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96080937 = 3 ⋅32026979.

It is a cyclic number.

It is not a de Polignac number, because 73908069 - 2⁴ = 73908053 is a prime.

It is a super-2 number, since 2×73908069² = 10924805326617522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73908069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73908049) 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 in 3 ways as a sum of consecutive naturals, for example, 12318009 + ... + 12318014.

It is an arithmetic number, because the mean of its divisors is an integer number (24636024).

Almost surely, 2^73908069 is an apocalyptic number.

It is an amenable number.

73908069 is a deficient number, since it is larger than the sum of its proper divisors (24636027).

73908069 is a wasteful number, since it uses less digits than its factorization.

73908069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24636026.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 73908069 is about 8596.9802256374. The cubic root of 73908069 is about 419.6597187118.

The spelling of 73908069 in words is "seventy-three million, nine hundred eight thousand, sixty-nine".