724145916 has 96 divisors (see below), whose sum is σ = 1872317440. Its totient is φ = 216463104.

The previous prime is 724145899. The next prime is 724145959. The reversal of 724145916 is 619541427.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 825270 + ... + 826146.

Almost surely, 2^724145916 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 724145916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936158720).

724145916 is an abundant number, since it is smaller than the sum of its proper divisors (1148171524).

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

724145916 is a wasteful number, since it uses less digits than its factorization.

724145916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 724145916 is about 26909.9594202593. The cubic root of 724145916 is about 897.9979844631.

The spelling of 724145916 in words is "seven hundred twenty-four million, one hundred forty-five thousand, nine hundred sixteen".