725075446 has 8 divisors (see below), whose sum is σ = 1090530144. Its totient is φ = 361565400.

The previous prime is 725075413. The next prime is 725075453. The reversal of 725075446 is 644570527.

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

It is a junction number, because it is equal to n+sod(n) for n = 725075399 and 725075408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485230 + ... + 486721.

It is an arithmetic number, because the mean of its divisors is an integer number (136316268).

Almost surely, 2^725075446 is an apocalyptic number.

725075446 is a deficient number, since it is larger than the sum of its proper divisors (365454698).

725075446 is a wasteful number, since it uses less digits than its factorization.

725075446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972326.

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 725075446 is about 26927.2249962747. The cubic root of 725075446 is about 898.3820503211.

The spelling of 725075446 in words is "seven hundred twenty-five million, seventy-five thousand, four hundred forty-six".