724221414 has 48 divisors (see below), whose sum is σ = 1806255360. Its totient is φ = 205426800.

The previous prime is 724221413. The next prime is 724221467. The reversal of 724221414 is 414122427.

724221414 is a `hidden beast` number, since 7 + 24 + 221 + 414 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724221413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3162 + ... + 38189.

It is an arithmetic number, because the mean of its divisors is an integer number (37630320).

Almost surely, 2^724221414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724221414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (903127680).

724221414 is an abundant number, since it is smaller than the sum of its proper divisors (1082033946).

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

724221414 is a wasteful number, since it uses less digits than its factorization.

724221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41505 (or 41502 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 724221414 is about 26911.3621728816. The cubic root of 724221414 is about 898.0291912012.

The spelling of 724221414 in words is "seven hundred twenty-four million, two hundred twenty-one thousand, four hundred fourteen".