732480 has 112 divisors (see below), whose sum is σ = 2682240. Its totient is φ = 165888.

The previous prime is 732467. The next prime is 732491. The reversal of 732480 is 84237.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 732480.

It is a congruent number.

It is an unprimeable number.

732480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6666 + ... + 6774.

2⁷³²⁴⁸⁰ is an apocalyptic number.

732480 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 732480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341120).

732480 is an abundant number, since it is smaller than the sum of its proper divisors (1949760).

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

732480 is a wasteful number, since it uses less digits than its factorization.

732480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 732480 is about 855.8504542267. The cubic root of 732480 is about 90.1429826004.

732480 divided by its product of nonzero digits (1344) gives a palindrome (545).

The spelling of 732480 in words is "seven hundred thirty-two thousand, four hundred eighty".