73908869 has 8 divisors (see below), whose sum is σ = 76274208. Its totient is φ = 71562960.

The previous prime is 73908851. The next prime is 73908889. The reversal of 73908869 is 96880937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73908869 is a prime.

It is a super-2 number, since 2×73908869² = 10925041833718322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73908829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3074 + ... + 12540.

It is an arithmetic number, because the mean of its divisors is an integer number (9534276).

Almost surely, 2^73908869 is an apocalyptic number.

It is an amenable number.

73908869 is a deficient number, since it is larger than the sum of its proper divisors (2365339).

73908869 is a wasteful number, since it uses less digits than its factorization.

73908869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 73908869 is about 8597.0267534770. The cubic root of 73908869 is about 419.6612328747.

The spelling of 73908869 in words is "seventy-three million, nine hundred eight thousand, eight hundred sixty-nine".