47971500 has 48 divisors (see below), whose sum is σ = 139697376. Its totient is φ = 12792000.

The previous prime is 47971493. The next prime is 47971549. The reversal of 47971500 is 517974.

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 15 ways as a sum of consecutive naturals, for example, 14491 + ... + 17490.

It is an arithmetic number, because the mean of its divisors is an integer number (2910362).

Almost surely, 2^47971500 is an apocalyptic number.

It is an amenable number.

47971500 is an abundant number, since it is smaller than the sum of its proper divisors (91725876).

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

47971500 is a wasteful number, since it uses less digits than its factorization.

47971500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32003 (or 31991 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 47971500 is about 6926.1461145431. The cubic root of 47971500 is about 363.3521766359.

The spelling of 47971500 in words is "forty-seven million, nine hundred seventy-one thousand, five hundred".