47381974 has 8 divisors (see below), whose sum is σ = 71189640. Its totient is φ = 23652096.

The previous prime is 47381963. The next prime is 47381977. The reversal of 47381974 is 47918374.

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 47381974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47381977) 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 3 ways as a sum of consecutive naturals, for example, 17899 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (8898705).

Almost surely, 2^47381974 is an apocalyptic number.

47381974 is a deficient number, since it is larger than the sum of its proper divisors (23807666).

47381974 is a wasteful number, since it uses less digits than its factorization.

47381974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38894.

The product of its digits is 169344, while the sum is 43.

The square root of 47381974 is about 6883.4565444986. The cubic root of 47381974 is about 361.8576152182.

The spelling of 47381974 in words is "forty-seven million, three hundred eighty-one thousand, nine hundred seventy-four".