73320960 has 80 divisors (see below), whose sum is σ = 234422496. Its totient is φ = 19550208.

The previous prime is 73320931. The next prime is 73320967. The reversal of 73320960 is 6902337.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (73320967) 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, 2907 + ... + 12453.

Almost surely, 2^73320960 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 73320960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117211248).

73320960 is an abundant number, since it is smaller than the sum of its proper divisors (161101536).

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

73320960 is an equidigital number, since it uses as much as digits as its factorization.

73320960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 73320960 is about 8562.7659082799. The cubic root of 73320960 is about 418.5455358841.

The spelling of 73320960 in words is "seventy-three million, three hundred twenty thousand, nine hundred sixty".