3666670037 has 4 divisors (see below), whose sum is σ = 3667314240. Its totient is φ = 3666025836.

The previous prime is 3666670031. The next prime is 3666670087. The reversal of 3666670037 is 7300766663.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7300766663 = 19 ⋅384250877.

It is a cyclic number.

It is not a de Polignac number, because 3666670037 - 2¹² = 3666665941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3666670037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666670031) 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, 313487 + ... + 324972.

It is an arithmetic number, because the mean of its divisors is an integer number (916828560).

Almost surely, 2^3666670037 is an apocalyptic number.

It is an amenable number.

3666670037 is a deficient number, since it is larger than the sum of its proper divisors (644203).

3666670037 is an equidigital number, since it uses as much as digits as its factorization.

3666670037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644202.

The product of its (nonzero) digits is 571536, while the sum is 44.

The square root of 3666670037 is about 60553.0349115550. The cubic root of 3666670037 is about 1542.0221421935.

The spelling of 3666670037 in words is "three billion, six hundred sixty-six million, six hundred seventy thousand, thirty-seven".