4405725 has 48 divisors (see below), whose sum is σ = 8303040. Its totient is φ = 2289600.

The previous prime is 4405717. The next prime is 4405741. The reversal of 4405725 is 5275044.

It is not a de Polignac number, because 4405725 - 2³ = 4405717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4405725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41122 + ... + 41228.

It is an arithmetic number, because the mean of its divisors is an integer number (172980).

Almost surely, 2^4405725 is an apocalyptic number.

4405725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4405725 is a deficient number, since it is larger than the sum of its proper divisors (3897315).

4405725 is a wasteful number, since it uses less digits than its factorization.

4405725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4405725 is about 2098.9818960629. The cubic root of 4405725 is about 163.9352932318.

The spelling of 4405725 in words is "four million, four hundred five thousand, seven hundred twenty-five".