73273600 has 81 divisors (see below), whose sum is σ = 183074437.
Its totient is φ = 29035520.
The previous prime is 73273567. The next prime is 73273637. The reversal of 73273600 is 637237.
The square root of 73273600 is 8560.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 26378496 + 46895104 = 5136^2 + 6848^2
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 684747 + ... + 684853.
Almost surely, 273273600 is an apocalyptic number.
73273600 is the 8560-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 73273600
73273600 is an abundant number, since it is smaller than the sum of its proper divisors (109800837).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73273600 is an equidigital number, since it uses as much as digits as its factorization.
73273600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 240 (or 114 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 28.
The cubic root of 73273600 is about 418.4553998301.
The spelling of 73273600 in words is "seventy-three million, two hundred seventy-three thousand, six hundred".