47379138 has 16 divisors (see below), whose sum is σ = 96546816. Its totient is φ = 15494960.

The previous prime is 47379107. The next prime is 47379151. The reversal of 47379138 is 83197374.

47379138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47379138.

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 in 7 ways as a sum of consecutive naturals, for example, 74178 + ... + 74813.

It is an arithmetic number, because the mean of its divisors is an integer number (6034176).

Almost surely, 2^47379138 is an apocalyptic number.

47379138 is an abundant number, since it is smaller than the sum of its proper divisors (49167678).

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

47379138 is a wasteful number, since it uses less digits than its factorization.

47379138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149049.

The product of its digits is 127008, while the sum is 42.

The square root of 47379138 is about 6883.2505402608. The cubic root of 47379138 is about 361.8503955339.

The spelling of 47379138 in words is "forty-seven million, three hundred seventy-nine thousand, one hundred thirty-eight".