73688704 has 16 divisors (see below), whose sum is σ = 146801970. Its totient is φ = 36844288.

The previous prime is 73688683. The next prime is 73688717. The reversal of 73688704 is 40788637.

It can be written as a sum of positive squares in only one way, i.e., 72590400 + 1098304 = 8520^2 + 1048^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287719 + ... + 287974.

Almost surely, 2^73688704 is an apocalyptic number.

It is an amenable number.

73688704 is a deficient number, since it is larger than the sum of its proper divisors (73113266).

73688704 is an equidigital number, since it uses as much as digits as its factorization.

73688704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575707 (or 575695 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 73688704 is about 8584.2124857205. The cubic root of 73688704 is about 419.2441128335.

The spelling of 73688704 in words is "seventy-three million, six hundred eighty-eight thousand, seven hundred four".