721914850 has 12 divisors (see below), whose sum is σ = 1342761714. Its totient is φ = 288765920.

The previous prime is 721914833. The next prime is 721914913. The reversal of 721914850 is 58419127.

721914850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 422590249 + 299324601 = 20557^2 + 17301^2 .

It is a super-2 number, since 2×721914850² = 1042322101301045000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7219099 + ... + 7219198.

Almost surely, 2^721914850 is an apocalyptic number.

721914850 is a deficient number, since it is larger than the sum of its proper divisors (620846864).

721914850 is a wasteful number, since it uses less digits than its factorization.

721914850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438309 (or 14438304 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 721914850 is about 26868.4731609372. The cubic root of 721914850 is about 897.0748031827.

The spelling of 721914850 in words is "seven hundred twenty-one million, nine hundred fourteen thousand, eight hundred fifty".