72943200 has 288 divisors, whose sum is σ = 288731520. Its totient is φ = 17625600.

The previous prime is 72943187. The next prime is 72943231. The reversal of 72943200 is 234927.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237447 + ... + 237753.

It is an arithmetic number, because the mean of its divisors is an integer number (1002540).

Almost surely, 2^72943200 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 72943200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144365760).

72943200 is an abundant number, since it is smaller than the sum of its proper divisors (215788320).

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

72943200 is a wasteful number, since it uses less digits than its factorization.

72943200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 72943200 is about 8540.6791299053. The cubic root of 72943200 is about 417.8254958657.

The spelling of 72943200 in words is "seventy-two million, nine hundred forty-three thousand, two hundred".