47923170 has 32 divisors (see below), whose sum is σ = 121782528. Its totient is φ = 12027648.

The previous prime is 47923147. The next prime is 47923171. The reversal of 47923170 is 7132974.

It is not an unprimeable number, because it can be changed into a prime (47923171) by changing a digit.

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, 46474 + ... + 47493.

It is an arithmetic number, because the mean of its divisors is an integer number (3805704).

Almost surely, 2^47923170 is an apocalyptic number.

47923170 is an abundant number, since it is smaller than the sum of its proper divisors (73859358).

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

47923170 is a wasteful number, since it uses less digits than its factorization.

47923170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93994.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 47923170 is about 6922.6562820929. The cubic root of 47923170 is about 363.2301131097.

The spelling of 47923170 in words is "forty-seven million, nine hundred twenty-three thousand, one hundred seventy".