3666870037 has 4 divisors (see below), whose sum is σ = 3675147840. Its totient is φ = 3658592236.

The previous prime is 3666870023. The next prime is 3666870049. The reversal of 3666870037 is 7300786663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666870037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666870007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138237 + ... + 4139122.

It is an arithmetic number, because the mean of its divisors is an integer number (918786960).

Almost surely, 2^3666870037 is an apocalyptic number.

It is an amenable number.

3666870037 is a deficient number, since it is larger than the sum of its proper divisors (8277803).

3666870037 is an equidigital number, since it uses as much as digits as its factorization.

3666870037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277802.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 3666870037 is about 60554.6863339246. The cubic root of 3666870037 is about 1542.0501784242.

The spelling of 3666870037 in words is "three billion, six hundred sixty-six million, eight hundred seventy thousand, thirty-seven".