721334002 has 8 divisors (see below), whose sum is σ = 1082944512. Its totient is φ = 360352500.

The previous prime is 721333999. The next prime is 721334011. The reversal of 721334002 is 200433127.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154374 + ... + 158977.

It is an arithmetic number, because the mean of its divisors is an integer number (135368064).

Almost surely, 2^721334002 is an apocalyptic number.

721334002 is a deficient number, since it is larger than the sum of its proper divisors (361610510).

721334002 is a wasteful number, since it uses less digits than its factorization.

721334002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314504.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 721334002 is about 26857.6618863221. The cubic root of 721334002 is about 896.8341451069.

Adding to 721334002 its reverse (200433127), we get a palindrome (921767129).

The spelling of 721334002 in words is "seven hundred twenty-one million, three hundred thirty-four thousand, two".