725224512 has 28 divisors (see below), whose sum is σ = 1918823696. Its totient is φ = 241741440.

The previous prime is 725224499. The next prime is 725224543. The reversal of 725224512 is 215422527.

It is a self number, because there is not a number n which added to its sum of digits gives 725224512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888414 + ... + 1888797.

Almost surely, 2^725224512 is an apocalyptic number.

It is an amenable number.

725224512 is an abundant number, since it is smaller than the sum of its proper divisors (1193599184).

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

725224512 is a wasteful number, since it uses less digits than its factorization.

725224512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777226 (or 3777216 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 725224512 is about 26929.9927961372. The cubic root of 725224512 is about 898.4436112907.

The spelling of 725224512 in words is "seven hundred twenty-five million, two hundred twenty-four thousand, five hundred twelve".