721341050 has 24 divisors (see below), whose sum is σ = 1346495292. Its totient is φ = 287504000.

The previous prime is 721341029. The next prime is 721341073. The reversal of 721341050 is 50143127.

It can be written as a sum of positive squares in 6 ways, for example, as 445083409 + 276257641 = 21097^2 + 16621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11621 + ... + 39720.

Almost surely, 2^721341050 is an apocalyptic number.

721341050 is a deficient number, since it is larger than the sum of its proper divisors (625154242).

721341050 is a wasteful number, since it uses less digits than its factorization.

721341050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51634 (or 51629 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 721341050 is about 26857.7930962319. The cubic root of 721341050 is about 896.8370660222.

Adding to 721341050 its reverse (50143127), we get a palindrome (771484177).

The spelling of 721341050 in words is "seven hundred twenty-one million, three hundred forty-one thousand, fifty".