724223445825 has 48 divisors (see below), whose sum is σ = 1306406866752. Its totient is φ = 351092640000.

The previous prime is 724223445821. The next prime is 724223445857. The reversal of 724223445825 is 528544322427.

It is a happy number.

It is not a de Polignac number, because 724223445825 - 2² = 724223445821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (724223445821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6728935 + ... + 6835715.

It is an arithmetic number, because the mean of its divisors is an integer number (27216809724).

Almost surely, 2^724223445825 is an apocalyptic number.

724223445825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

724223445825 is a deficient number, since it is larger than the sum of its proper divisors (582183420927).

724223445825 is a wasteful number, since it uses less digits than its factorization.

724223445825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115026 (or 115021 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 48.

The spelling of 724223445825 in words is "seven hundred twenty-four billion, two hundred twenty-three million, four hundred forty-five thousand, eight hundred twenty-five".