73688256 has 42 divisors (see below), whose sum is σ = 211215732. Its totient is φ = 24562560.

The previous prime is 73688243. The next prime is 73688257. The reversal of 73688256 is 65288637.

It is not an unprimeable number, because it can be changed into a prime (73688257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63390 + ... + 64541.

It is an arithmetic number, because the mean of its divisors is an integer number (5028946).

Almost surely, 2^73688256 is an apocalyptic number.

It is an amenable number.

73688256 is an abundant number, since it is smaller than the sum of its proper divisors (137527476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73688256 is a wasteful number, since it uses less digits than its factorization.

73688256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127949 (or 127936 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 73688256 is about 8584.1863912662. The cubic root of 73688256 is about 419.2432632155.

The spelling of 73688256 in words is "seventy-three million, six hundred eighty-eight thousand, two hundred fifty-six".