725461445 has 8 divisors (see below), whose sum is σ = 879006336. Its totient is φ = 574734096.

The previous prime is 725461441. The next prime is 725461447. The reversal of 725461445 is 544164527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 725461445 - 2² = 725461441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725461399 and 725461408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725461441) 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, 703817 + ... + 704846.

It is an arithmetic number, because the mean of its divisors is an integer number (109875792).

Almost surely, 2^725461445 is an apocalyptic number.

It is an amenable number.

725461445 is a deficient number, since it is larger than the sum of its proper divisors (153544891).

725461445 is a wasteful number, since it uses less digits than its factorization.

725461445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408771.

The product of its digits is 134400, while the sum is 38.

The square root of 725461445 is about 26934.3914911772. The cubic root of 725461445 is about 898.5414420355.

The spelling of 725461445 in words is "seven hundred twenty-five million, four hundred sixty-one thousand, four hundred forty-five".