725673120 has 48 divisors (see below), whose sum is σ = 2285871840. Its totient is φ = 193512704.

The previous prime is 725673107. The next prime is 725673121. The reversal of 725673120 is 21376527.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (725673121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 755430 + ... + 756389.

It is an arithmetic number, because the mean of its divisors is an integer number (47622330).

Almost surely, 2^725673120 is an apocalyptic number.

It is an amenable number.

725673120 is an abundant number, since it is smaller than the sum of its proper divisors (1560198720).

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

725673120 is a wasteful number, since it uses less digits than its factorization.

725673120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511837 (or 1511829 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 725673120 is about 26938.3206603530. The cubic root of 725673120 is about 898.6288256198.

The spelling of 725673120 in words is "seven hundred twenty-five million, six hundred seventy-three thousand, one hundred twenty".