725605320322 has 8 divisors (see below), whose sum is σ = 1088412696576. Its totient is φ = 362801088132.

The previous prime is 725605320247. The next prime is 725605320329. The reversal of 725605320322 is 223023506527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (725605320329) 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 3 ways as a sum of consecutive naturals, for example, 83458 + ... + 1207549.

It is an arithmetic number, because the mean of its divisors is an integer number (136051587072).

Almost surely, 2^725605320322 is an apocalyptic number.

725605320322 is a deficient number, since it is larger than the sum of its proper divisors (362807376254).

725605320322 is a wasteful number, since it uses less digits than its factorization.

725605320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572032.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 725605320322 its reverse (223023506527), we get a palindrome (948628826849).

The spelling of 725605320322 in words is "seven hundred twenty-five billion, six hundred five million, three hundred twenty thousand, three hundred twenty-two".