723480 has 32 divisors (see below), whose sum is σ = 2170800. Its totient is φ = 192896.

The previous prime is 723479. The next prime is 723491. The reversal of 723480 is 84327.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 723480.

It is a congruent number.

It is an unprimeable number.

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, 2895 + ... + 3134.

2⁷²³⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

723480 is an abundant number, since it is smaller than the sum of its proper divisors (1447320).

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

723480 is a wasteful number, since it uses less digits than its factorization.

723480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043 (or 6039 counting only the distinct ones).

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

The square root of 723480 is about 850.5762752393. The cubic root of 723480 is about 89.7722637277.

The spelling of 723480 in words is "seven hundred twenty-three thousand, four hundred eighty".