3666774025 has 12 divisors (see below), whose sum is σ = 4549049244. Its totient is φ = 2931968000.

The previous prime is 3666773987. The next prime is 3666774049. The reversal of 3666774025 is 5204776663.

It can be written as a sum of positive squares in 6 ways, for example, as 61011721 + 3605762304 = 7811^2 + 60048^2 .

It is not a de Polignac number, because 3666774025 - 2⁷ = 3666773897 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 16785 + ... + 87265.

It is an arithmetic number, because the mean of its divisors is an integer number (379087437).

Almost surely, 2^3666774025 is an apocalyptic number.

It is an amenable number.

3666774025 is a deficient number, since it is larger than the sum of its proper divisors (882275219).

3666774025 is a wasteful number, since it uses less digits than its factorization.

3666774025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72572 (or 72567 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 3666774025 is about 60553.8935577226. The cubic root of 3666774025 is about 1542.0367194786.

The spelling of 3666774025 in words is "three billion, six hundred sixty-six million, seven hundred seventy-four thousand, twenty-five".