73688906 has 8 divisors (see below), whose sum is σ = 111265824. Its totient is φ = 36600300.

The previous prime is 73688887. The next prime is 73688929. The reversal of 73688906 is 60988637.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121700 + ... + 122303.

It is an arithmetic number, because the mean of its divisors is an integer number (13908228).

Almost surely, 2^73688906 is an apocalyptic number.

73688906 is a deficient number, since it is larger than the sum of its proper divisors (37576918).

73688906 is a wasteful number, since it uses less digits than its factorization.

73688906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244156.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 73688906 is about 8584.2242514976. The cubic root of 73688906 is about 419.2444959190.

The spelling of 73688906 in words is "seventy-three million, six hundred eighty-eight thousand, nine hundred six".