3772660225 has 12 divisors (see below), whose sum is σ = 4680889020. Its totient is φ = 3016328000.

The previous prime is 3772660219. The next prime is 3772660237. The reversal of 3772660225 is 5220662773.

It can be written as a sum of positive squares in 6 ways, for example, as 362217024 + 3410443201 = 19032^2 + 58399^2 .

It is not a de Polignac number, because 3772660225 - 2¹⁵ = 3772627457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426 + ... + 86875.

It is an arithmetic number, because the mean of its divisors is an integer number (390074085).

Almost surely, 2^3772660225 is an apocalyptic number.

It is an amenable number.

3772660225 is a deficient number, since it is larger than the sum of its proper divisors (908228795).

3772660225 is a wasteful number, since it uses less digits than its factorization.

3772660225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90020 (or 90015 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 3772660225 is about 61421.9848669839. The cubic root of 3772660225 is about 1556.7393302186.

The spelling of 3772660225 in words is "three billion, seven hundred seventy-two million, six hundred sixty thousand, two hundred twenty-five".