73273560 has 128 divisors (see below), whose sum is σ = 230247360. Its totient is φ = 18636800.

The previous prime is 73273537. The next prime is 73273567. The reversal of 73273560 is 6537237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73273567) 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 31 ways as a sum of consecutive naturals, for example, 260620 + ... + 260900.

Almost surely, 2^73273560 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 73273560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115123680).

73273560 is an abundant number, since it is smaller than the sum of its proper divisors (156973800).

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

73273560 is a wasteful number, since it uses less digits than its factorization.

73273560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 73273560 is about 8559.9976635511. The cubic root of 73273560 is about 418.4553236853.

The spelling of 73273560 in words is "seventy-three million, two hundred seventy-three thousand, five hundred sixty".