721341010 has 32 divisors (see below), whose sum is σ = 1406608560. Its totient is φ = 266333184.

The previous prime is 721341001. The next prime is 721341029. The reversal of 721341010 is 10143127.

It can be written as a sum of positive squares in 8 ways, for example, as 26122321 + 695218689 = 5111^2 + 26367^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554 + ... + 38386.

Almost surely, 2^721341010 is an apocalyptic number.

721341010 is a deficient number, since it is larger than the sum of its proper divisors (685267550).

721341010 is a wasteful number, since it uses less digits than its factorization.

721341010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879 (or 32853 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 721341010 is about 26857.7923515690. The cubic root of 721341010 is about 896.8370494449.

Adding to 721341010 its reverse (10143127), we get a palindrome (731484137).

The spelling of 721341010 in words is "seven hundred twenty-one million, three hundred forty-one thousand, ten".