73045760 has 72 divisors (see below), whose sum is σ = 176601600. Its totient is φ = 28946432.

The previous prime is 73045729. The next prime is 73045781. The reversal of 73045760 is 6754037.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190529 + ... + 190911.

It is an arithmetic number, because the mean of its divisors is an integer number (2452800).

Almost surely, 2^73045760 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 73045760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88300800).

73045760 is an abundant number, since it is smaller than the sum of its proper divisors (103555840).

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

73045760 is a wasteful number, since it uses less digits than its factorization.

73045760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 73045760 is about 8546.6812272367. The cubic root of 73045760 is about 418.0212285946.

Adding to 73045760 its reverse (6754037), we get a palindrome (79799797).

The spelling of 73045760 in words is "seventy-three million, forty-five thousand, seven hundred sixty".