720474 has 8 divisors (see below), whose sum is σ = 1440960. Its totient is φ = 240156.

The previous prime is 720439. The next prime is 720481. The reversal of 720474 is 474027.

It is a sphenic number, since it is the product of 3 distinct primes.

720474 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60034 + ... + 60045.

It is an arithmetic number, because the mean of its divisors is an integer number (180120).

2⁷²⁰⁴⁷⁴ is an apocalyptic number.

720474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

720474 is a wasteful number, since it uses less digits than its factorization.

720474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120084.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 720474 is about 848.8073986482. The cubic root of 720474 is about 89.6477590041.

The spelling of 720474 in words is "seven hundred twenty thousand, four hundred seventy-four", and thus it is an iban number.