3970730620 has 12 divisors (see below), whose sum is σ = 8338534344. Its totient is φ = 1588292240.

The previous prime is 3970730597. The next prime is 3970730623. The reversal of 3970730620 is 260370793.

It is a self number, because there is not a number n which added to its sum of digits gives 3970730620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970730623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99268246 + ... + 99268285.

It is an arithmetic number, because the mean of its divisors is an integer number (694877862).

Almost surely, 2^3970730620 is an apocalyptic number.

It is an amenable number.

3970730620 is an abundant number, since it is smaller than the sum of its proper divisors (4367803724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3970730620 is a wasteful number, since it uses less digits than its factorization.

3970730620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198536540 (or 198536538 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 3970730620 is about 63013.7335824501. The cubic root of 3970730620 is about 1583.5197157753.

The spelling of 3970730620 in words is "three billion, nine hundred seventy million, seven hundred thirty thousand, six hundred twenty".