73939712 has 144 divisors (see below), whose sum is σ = 191514624. Its totient is φ = 27878400.

The previous prime is 73939699. The next prime is 73939739. The reversal of 73939712 is 21793937.

It is a self number, because there is not a number n which added to its sum of digits gives 73939712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2385137 + ... + 2385167.

Almost surely, 2^73939712 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 73939712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95757312).

73939712 is an abundant number, since it is smaller than the sum of its proper divisors (117574912).

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

73939712 is an equidigital number, since it uses as much as digits as its factorization.

73939712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 51 counting only the distinct ones).

The product of its digits is 71442, while the sum is 41.

The square root of 73939712 is about 8598.8203842155. The cubic root of 73939712 is about 419.7196012027.

The spelling of 73939712 in words is "seventy-three million, nine hundred thirty-nine thousand, seven hundred twelve".