73480 has 32 divisors (see below), whose sum is σ = 181440. Its totient is φ = 26560.

The previous prime is 73477. The next prime is 73483. The reversal of 73480 is 8437.

It is an interprime number because it is at equal distance from previous prime (73477) and next prime (73483).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (73483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2⁷³⁴⁸⁰ 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 73480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90720).

73480 is an abundant number, since it is smaller than the sum of its proper divisors (107960).

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

73480 is a wasteful number, since it uses less digits than its factorization.

73480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 73480 is about 271.0719461693. The cubic root of 73480 is about 41.8847938776.

The spelling of 73480 in words is "seventy-three thousand, four hundred eighty".