73270560 has 96 divisors (see below), whose sum is σ = 251802432. Its totient is φ = 17761280.

The previous prime is 73270543. The next prime is 73270573. The reversal of 73270560 is 6507237.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (2622942).

Almost surely, 2^73270560 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 73270560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125901216).

73270560 is an abundant number, since it is smaller than the sum of its proper divisors (178531872).

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

73270560 is a wasteful number, since it uses less digits than its factorization.

73270560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13906 (or 13898 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 73270560 is about 8559.8224280647. The cubic root of 73270560 is about 418.4496127435.

Adding to 73270560 its reverse (6507237), we get a palindrome (79777797).

The spelling of 73270560 in words is "seventy-three million, two hundred seventy thousand, five hundred sixty".