724342080 has 448 divisors, whose sum is σ = 2949488640. Its totient is φ = 146227200.

The previous prime is 724342067. The next prime is 724342109. The reversal of 724342080 is 80243427.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3030601 + ... + 3030839.

It is an arithmetic number, because the mean of its divisors is an integer number (6583680).

Almost surely, 2^724342080 is an apocalyptic number.

724342080 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 724342080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474744320).

724342080 is an abundant number, since it is smaller than the sum of its proper divisors (2225146560).

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

724342080 is a wasteful number, since it uses less digits than its factorization.

724342080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 724342080 is about 26913.6039950059. The cubic root of 724342080 is about 898.0790634137.

The spelling of 724342080 in words is "seven hundred twenty-four million, three hundred forty-two thousand, eighty".