721414002 has 16 divisors (see below), whose sum is σ = 1518766560. Its totient is φ = 227814912.

The previous prime is 721413971. The next prime is 721414003. The reversal of 721414002 is 200414127.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 721414002.

It is not an unprimeable number, because it can be changed into a prime (721414003) 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, 3163983 + ... + 3164210.

It is an arithmetic number, because the mean of its divisors is an integer number (94922910).

Almost surely, 2^721414002 is an apocalyptic number.

721414002 is an abundant number, since it is smaller than the sum of its proper divisors (797352558).

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

721414002 is a wasteful number, since it uses less digits than its factorization.

721414002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328217.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 721414002 is about 26859.1511779505. The cubic root of 721414002 is about 896.8672985325.

Adding to 721414002 its reverse (200414127), we get a palindrome (921828129).

The spelling of 721414002 in words is "seven hundred twenty-one million, four hundred fourteen thousand, two".