725575323100 has 72 divisors (see below), whose sum is σ = 1697790553200. Its totient is φ = 268248614400.

The previous prime is 725575323097. The next prime is 725575323101. The reversal of 725575323100 is 1323575527.

It is a super-2 number, since 2×725575323100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725575323101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4579195 + ... + 4734994.

It is an arithmetic number, because the mean of its divisors is an integer number (23580424350).

Almost surely, 2^725575323100 is an apocalyptic number.

It is an amenable number.

725575323100 is an abundant number, since it is smaller than the sum of its proper divisors (972215230100).

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

725575323100 is a wasteful number, since it uses less digits than its factorization.

725575323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314263 (or 9314256 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 40.

Adding to 725575323100 its reverse (1323575527), we get a palindrome (726898898627).

The spelling of 725575323100 in words is "seven hundred twenty-five billion, five hundred seventy-five million, three hundred twenty-three thousand, one hundred".