4947192172 has 24 divisors (see below), whose sum is σ = 9326542400. Its totient is φ = 2282587776.

The previous prime is 4947192161. The next prime is 4947192191. The reversal of 4947192172 is 2712917494.

It is a happy 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, 170029 + ... + 196987.

Almost surely, 2^4947192172 is an apocalyptic number.

It is an amenable number.

4947192172 is a deficient number, since it is larger than the sum of its proper divisors (4379350228).

4947192172 is a wasteful number, since it uses less digits than its factorization.

4947192172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30505 (or 30503 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 4947192172 is about 70336.2792021301. The cubic root of 4947192172 is about 1703.9346201597.

The spelling of 4947192172 in words is "four billion, nine hundred forty-seven million, one hundred ninety-two thousand, one hundred seventy-two".