724012860 has 192 divisors, whose sum is σ = 2273080320. Its totient is φ = 171325440.

The previous prime is 724012823. The next prime is 724012867. The reversal of 724012860 is 68210427.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724012867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1389400 + ... + 1389920.

It is an arithmetic number, because the mean of its divisors is an integer number (11838960).

Almost surely, 2^724012860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724012860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136540160).

724012860 is an abundant number, since it is smaller than the sum of its proper divisors (1549067460).

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

724012860 is a wasteful number, since it uses less digits than its factorization.

724012860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 724012860 is about 26907.4870621543. The cubic root of 724012860 is about 897.9429811201.

It can be divided in two parts, 7240 and 12860, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 724012860 in words is "seven hundred twenty-four million, twelve thousand, eight hundred sixty".