725227450 has 24 divisors (see below), whose sum is σ = 1356475680. Its totient is φ = 288466800.

The previous prime is 725227439. The next prime is 725227471. The reversal of 725227450 is 54722527.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 31566 + ... + 49465.

It is an arithmetic number, because the mean of its divisors is an integer number (56519820).

Almost surely, 2^725227450 is an apocalyptic number.

725227450 is a deficient number, since it is larger than the sum of its proper divisors (631248230).

725227450 is a wasteful number, since it uses less digits than its factorization.

725227450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81222 (or 81217 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 725227450 is about 26930.0473449268. The cubic root of 725227450 is about 898.4448245351. Note that the first 3 decimals are identical.

Adding to 725227450 its reverse (54722527), we get a palindrome (779949977).

The spelling of 725227450 in words is "seven hundred twenty-five million, two hundred twenty-seven thousand, four hundred fifty".