4721725 has 6 divisors (see below), whose sum is σ = 5854970. Its totient is φ = 3777360.

The previous prime is 4721723. The next prime is 4721729. The reversal of 4721725 is 5271274.

It can be written as a sum of positive squares in 3 ways, for example, as 1077444 + 3644281 = 1038^2 + 1909^2 .

It is not a de Polignac number, because 4721725 - 2¹ = 4721723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4721693 and 4721702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94410 + ... + 94459.

Almost surely, 2^4721725 is an apocalyptic number.

It is an amenable number.

4721725 is a deficient number, since it is larger than the sum of its proper divisors (1133245).

4721725 is a wasteful number, since it uses less digits than its factorization.

4721725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188879 (or 188874 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 4721725 is about 2172.9530597783. The cubic root of 4721725 is about 167.7645629728.

Adding to 4721725 its reverse (5271274), we get a palindrome (9992999).

It can be divided in two parts, 472 and 1725, that added together give a cube (2197 = 13³).

The spelling of 4721725 in words is "four million, seven hundred twenty-one thousand, seven hundred twenty-five".