47975738 has 4 divisors (see below), whose sum is σ = 71963610. Its totient is φ = 23987868.

The previous prime is 47975713. The next prime is 47975777. The reversal of 47975738 is 83757974.

47975738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44262409 + 3713329 = 6653^2 + 1927^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11993933 + ... + 11993936.

Almost surely, 2^47975738 is an apocalyptic number.

47975738 is a deficient number, since it is larger than the sum of its proper divisors (23987872).

47975738 is a wasteful number, since it uses less digits than its factorization.

47975738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23987871.

The product of its digits is 1481760, while the sum is 50.

The square root of 47975738 is about 6926.4520499315. The cubic root of 47975738 is about 363.3628763304.

The spelling of 47975738 in words is "forty-seven million, nine hundred seventy-five thousand, seven hundred thirty-eight".