725565072 has 40 divisors (see below), whose sum is σ = 1898112640. Its totient is φ = 238792320.

The previous prime is 725565053. The next prime is 725565073. The reversal of 725565072 is 270565527.

It is a self number, because there is not a number n which added to its sum of digits gives 725565072.

It is not an unprimeable number, because it can be changed into a prime (725565073) 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 7 ways as a sum of consecutive naturals, for example, 91879 + ... + 99462.

It is an arithmetic number, because the mean of its divisors is an integer number (47452816).

Almost surely, 2^725565072 is an apocalyptic number.

It is an amenable number.

725565072 is an abundant number, since it is smaller than the sum of its proper divisors (1172547568).

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

725565072 is a wasteful number, since it uses less digits than its factorization.

725565072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191431 (or 191425 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 725565072 is about 26936.3151154719. The cubic root of 725565072 is about 898.5842234135.

It can be divided in two parts, 7255 and 65072, that added together give a palindrome (72327).

The spelling of 725565072 in words is "seven hundred twenty-five million, five hundred sixty-five thousand, seventy-two".