3720370066 has 16 divisors (see below), whose sum is σ = 6752941056. Its totient is φ = 1500653376.

The previous prime is 3720370039. The next prime is 3720370141. The reversal of 3720370066 is 6600730273.

It is a happy number.

3720370066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815666 + ... + 7816141.

It is an arithmetic number, because the mean of its divisors is an integer number (422058816).

Almost surely, 2^3720370066 is an apocalyptic number.

3720370066 is a deficient number, since it is larger than the sum of its proper divisors (3032570990).

3720370066 is a wasteful number, since it uses less digits than its factorization.

3720370066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15631833.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 3720370066 is about 60994.8363880091. The cubic root of 3720370066 is about 1549.5135575169.

The spelling of 3720370066 in words is "three billion, seven hundred twenty million, three hundred seventy thousand, sixty-six".