725523700 has 72 divisors (see below), whose sum is σ = 1759512384. Its totient is φ = 257376000.

The previous prime is 725523697. The next prime is 725523709. The reversal of 725523700 is 7325527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725523709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37057 + ... + 53143.

It is an arithmetic number, because the mean of its divisors is an integer number (24437672).

Almost surely, 2^725523700 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 725523700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879756192).

725523700 is an abundant number, since it is smaller than the sum of its proper divisors (1033988684).

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

725523700 is a wasteful number, since it uses less digits than its factorization.

725523700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16153 (or 16146 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 725523700 is about 26935.5471449904. The cubic root of 725523700 is about 898.5671438826.

It can be divided in two parts, 725 and 523700, that added together give a palindrome (524425).

The spelling of 725523700 in words is "seven hundred twenty-five million, five hundred twenty-three thousand, seven hundred".