73908406 has 16 divisors (see below), whose sum is σ = 130244688. Its totient is φ = 31010400.

The previous prime is 73908403. The next prime is 73908413. The reversal of 73908406 is 60480937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73908403) 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 in 7 ways as a sum of consecutive naturals, for example, 128925 + ... + 129496.

It is an arithmetic number, because the mean of its divisors is an integer number (8140293).

Almost surely, 2^73908406 is an apocalyptic number.

73908406 is a deficient number, since it is larger than the sum of its proper divisors (56336282).

73908406 is a wasteful number, since it uses less digits than its factorization.

73908406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258447.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 73908406 is about 8596.9998255205. Note that the first 3 decimals coincide. The cubic root of 73908406 is about 419.6603565543.

The spelling of 73908406 in words is "seventy-three million, nine hundred eight thousand, four hundred six".