73704928 has 96 divisors (see below), whose sum is σ = 170644320. Its totient is φ = 30965760.

The previous prime is 73704919. The next prime is 73704929. The reversal of 73704928 is 82940737.

It is a super-2 number, since 2×73704928² = 10864832822970368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73704929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652200 + ... + 652312.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 2^73704928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73704928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85322160).

73704928 is an abundant number, since it is smaller than the sum of its proper divisors (96939392).

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

73704928 is a wasteful number, since it uses less digits than its factorization.

73704928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 73704928 is about 8585.1574242992. The cubic root of 73704928 is about 419.2748788215.

The spelling of 73704928 in words is "seventy-three million, seven hundred four thousand, nine hundred twenty-eight".