47905930 has 8 divisors (see below), whose sum is σ = 86230692. Its totient is φ = 19162368.

The previous prime is 47905927. The next prime is 47905951. The reversal of 47905930 is 3950974.

It can be written as a sum of positive squares in 2 ways, for example, as 43837641 + 4068289 = 6621^2 + 2017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47905930.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395287 + ... + 2395306.

Almost surely, 2^47905930 is an apocalyptic number.

47905930 is a deficient number, since it is larger than the sum of its proper divisors (38324762).

47905930 is a wasteful number, since it uses less digits than its factorization.

47905930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790600.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 47905930 is about 6921.4109833184. The cubic root of 47905930 is about 363.1865514517.

The spelling of 47905930 in words is "forty-seven million, nine hundred five thousand, nine hundred thirty".