3666740737 has 8 divisors (see below), whose sum is σ = 4108191552. Its totient is φ = 3243308400.

The previous prime is 3666740653. The next prime is 3666740771. The reversal of 3666740737 is 7370476663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666740737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666740797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504189 + ... + 4505002.

It is an arithmetic number, because the mean of its divisors is an integer number (513523944).

Almost surely, 2^3666740737 is an apocalyptic number.

3666740737 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3666740737 is a deficient number, since it is larger than the sum of its proper divisors (441450815).

3666740737 is a wasteful number, since it uses less digits than its factorization.

3666740737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009239.

The product of its (nonzero) digits is 2667168, while the sum is 49.

The square root of 3666740737 is about 60553.6186945091. The cubic root of 3666740737 is about 1542.0320531176.

The spelling of 3666740737 in words is "three billion, six hundred sixty-six million, seven hundred forty thousand, seven hundred thirty-seven".