724254720 has 240 divisors, whose sum is σ = 2654913408. Its totient is φ = 165150720.

The previous prime is 724254703. The next prime is 724254731. The reversal of 724254720 is 27452427.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720110 + ... + 1720530.

Almost surely, 2^724254720 is an apocalyptic number.

724254720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724254720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327456704).

724254720 is an abundant number, since it is smaller than the sum of its proper divisors (1930658688).

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

724254720 is an equidigital number, since it uses as much as digits as its factorization.

724254720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 724254720 is about 26911.9809750230. The cubic root of 724254720 is about 898.0429573880.

The spelling of 724254720 in words is "seven hundred twenty-four million, two hundred fifty-four thousand, seven hundred twenty".