3726810225 has 72 divisors (see below), whose sum is σ = 6815278080. Its totient is φ = 1946183040.

The previous prime is 3726810209. The next prime is 3726810247. The reversal of 3726810225 is 5220186273.

3726810225 is a `hidden beast` number, since 372 + 68 + 1 + 0 + 225 = 666.

3726810225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3726810225 - 2⁴ = 3726810209 is a prime.

It is a super-2 number, since 2×3726810225² = 27778228906329101250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3726810225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5083959 + ... + 5084691.

It is an arithmetic number, because the mean of its divisors is an integer number (94656640).

Almost surely, 2^3726810225 is an apocalyptic number.

It is an amenable number.

3726810225 is a deficient number, since it is larger than the sum of its proper divisors (3088467855).

3726810225 is a wasteful number, since it uses less digits than its factorization.

3726810225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3726810225 is about 61047.6062184260. The cubic root of 3726810225 is about 1550.4071389717.

Adding to 3726810225 its reverse (5220186273), we get a palindrome (8946996498).

The spelling of 3726810225 in words is "three billion, seven hundred twenty-six million, eight hundred ten thousand, two hundred twenty-five".