47978230 has 32 divisors (see below), whose sum is σ = 94867200. Its totient is φ = 17389152.

The previous prime is 47978219. The next prime is 47978243. The reversal of 47978230 is 3287974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120 + ... + 9859.

It is an arithmetic number, because the mean of its divisors is an integer number (2964600).

Almost surely, 2^47978230 is an apocalyptic number.

47978230 is a deficient number, since it is larger than the sum of its proper divisors (46888970).

47978230 is a wasteful number, since it uses less digits than its factorization.

47978230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028.

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

The square root of 47978230 is about 6926.6319376736. The cubic root of 47978230 is about 363.3691675979.

The spelling of 47978230 in words is "forty-seven million, nine hundred seventy-eight thousand, two hundred thirty".