721484000 has 48 divisors (see below), whose sum is σ = 1772696016. Its totient is φ = 288592000.

The previous prime is 721483999. The next prime is 721484003. The reversal of 721484000 is 484127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (721484003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86186 + ... + 94185.

It is an arithmetic number, because the mean of its divisors is an integer number (36931167).

Almost surely, 2^721484000 is an apocalyptic number.

It is an amenable number.

721484000 is an abundant number, since it is smaller than the sum of its proper divisors (1051212016).

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

721484000 is a wasteful number, since it uses less digits than its factorization.

721484000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180396 (or 180378 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 721484000 is about 26860.4542031590. The cubic root of 721484000 is about 896.8963049405.

The spelling of 721484000 in words is "seven hundred twenty-one million, four hundred eighty-four thousand".