3997066670 has 32 divisors (see below), whose sum is σ = 7612699680. Its totient is φ = 1506816000.

The previous prime is 3997066669. The next prime is 3997066679. The reversal of 3997066670 is 766607993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997066679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17831 + ... + 91170.

It is an arithmetic number, because the mean of its divisors is an integer number (237896865).

Almost surely, 2^3997066670 is an apocalyptic number.

3997066670 is a deficient number, since it is larger than the sum of its proper divisors (3615633010).

3997066670 is a wasteful number, since it uses less digits than its factorization.

3997066670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109220.

The product of its (nonzero) digits is 2571912, while the sum is 53.

The square root of 3997066670 is about 63222.3589404888. The cubic root of 3997066670 is about 1587.0129261503.

The spelling of 3997066670 in words is "three billion, nine hundred ninety-seven million, sixty-six thousand, six hundred seventy".