3947069670 has 16 divisors (see below), whose sum is σ = 9472967280. Its totient is φ = 1052551904.

The previous prime is 3947069641. The next prime is 3947069681. The reversal of 3947069670 is 769607493.

It is a congruent number.

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, 65784465 + ... + 65784524.

It is an arithmetic number, because the mean of its divisors is an integer number (592060455).

Almost surely, 2^3947069670 is an apocalyptic number.

3947069670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3947069670 is an abundant number, since it is smaller than the sum of its proper divisors (5525897610).

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

3947069670 is a wasteful number, since it uses less digits than its factorization.

3947069670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131568999.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 3947069670 is about 62825.7086708936. The cubic root of 3947069670 is about 1580.3681337891.

The spelling of 3947069670 in words is "three billion, nine hundred forty-seven million, sixty-nine thousand, six hundred seventy".