4077725 has 6 divisors (see below), whose sum is σ = 5056410. Its totient is φ = 3262160.

The previous prime is 4077701. The next prime is 4077751. The reversal of 4077725 is 5277704.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 444889 + 3632836 = 667^2 + 1906^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4077725 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4077691 and 4077700.

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 5 ways as a sum of consecutive naturals, for example, 81530 + ... + 81579.

It is an arithmetic number, because the mean of its divisors is an integer number (842735).

Almost surely, 2^4077725 is an apocalyptic number.

It is an amenable number.

4077725 is a deficient number, since it is larger than the sum of its proper divisors (978685).

4077725 is a wasteful number, since it uses less digits than its factorization.

4077725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163119 (or 163114 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 4077725 is about 2019.3377627331. The cubic root of 4077725 is about 159.7616894977.

The spelling of 4077725 in words is "four million, seventy-seven thousand, seven hundred twenty-five".