73520560 has 40 divisors (see below), whose sum is σ = 173113920. Its totient is φ = 29033472.

The previous prime is 73520527. The next prime is 73520567. The reversal of 73520560 is 6502537.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (73520567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 12136.

It is an arithmetic number, because the mean of its divisors is an integer number (4327848).

Almost surely, 2^73520560 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 73520560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86556960).

73520560 is an abundant number, since it is smaller than the sum of its proper divisors (99593360).

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

73520560 is a wasteful number, since it uses less digits than its factorization.

73520560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11725 (or 11719 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 73520560 is about 8574.4130994488. The cubic root of 73520560 is about 418.9249907972.

The spelling of 73520560 in words is "seventy-three million, five hundred twenty thousand, five hundred sixty".