2947620172 has 12 divisors (see below), whose sum is σ = 5895240400. Its totient is φ = 1263265776.

The previous prime is 2947620163. The next prime is 2947620187. The reversal of 2947620172 is 2710267492.

2947620172 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 52636047 + ... + 52636102.

Almost surely, 2^2947620172 is an apocalyptic number.

It is an amenable number.

2947620172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2947620172 is a wasteful number, since it uses less digits than its factorization.

2947620172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105272160 (or 105272158 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2947620172 is about 54291.9899432688. The cubic root of 2947620172 is about 1433.8063737862.

The spelling of 2947620172 in words is "two billion, nine hundred forty-seven million, six hundred twenty thousand, one hundred seventy-two".