724852420 has 12 divisors (see below), whose sum is σ = 1522190124. Its totient is φ = 289940960.

The previous prime is 724852417. The next prime is 724852421. The reversal of 724852420 is 24258427.

724852420 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 2 ways, for example, as 296941824 + 427910596 = 17232^2 + 20686^2 .

It is a super-2 number, since 2×724852420² = 1050822061559712800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (724852421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18121291 + ... + 18121330.

It is an arithmetic number, because the mean of its divisors is an integer number (126849177).

Almost surely, 2^724852420 is an apocalyptic number.

It is an amenable number.

724852420 is an abundant number, since it is smaller than the sum of its proper divisors (797337704).

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

724852420 is a wasteful number, since it uses less digits than its factorization.

724852420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36242630 (or 36242628 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 724852420 is about 26923.0834043948. The cubic root of 724852420 is about 898.2899297457.

The spelling of 724852420 in words is "seven hundred twenty-four million, eight hundred fifty-two thousand, four hundred twenty".