47861872 has 10 divisors (see below), whose sum is σ = 92732408. Its totient is φ = 23930928.

The previous prime is 47861857. The next prime is 47861899. The reversal of 47861872 is 27816874.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495668 + ... + 1495699.

Almost surely, 2^47861872 is an apocalyptic number.

It is an amenable number.

47861872 is a deficient number, since it is larger than the sum of its proper divisors (44870536).

47861872 is a wasteful number, since it uses less digits than its factorization.

47861872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991375 (or 2991369 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 47861872 is about 6918.2275186640. The cubic root of 47861872 is about 363.0751791510.

The spelling of 47861872 in words is "forty-seven million, eight hundred sixty-one thousand, eight hundred seventy-two".