721482 has 8 divisors (see below), whose sum is σ = 1442976. Its totient is φ = 240492.

The previous prime is 721481. The next prime is 721499. The reversal of 721482 is 284127.

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

721482 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (721481) 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 3 ways as a sum of consecutive naturals, for example, 60118 + ... + 60129.

It is an arithmetic number, because the mean of its divisors is an integer number (180372).

2⁷²¹⁴⁸² is an apocalyptic number.

721482 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.

721482 is a wasteful number, since it uses less digits than its factorization.

721482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120252.

The product of its digits is 896, while the sum is 24.

The square root of 721482 is about 849.4009653868. The cubic root of 721482 is about 89.6895476188.

The spelling of 721482 in words is "seven hundred twenty-one thousand, four hundred eighty-two".