47184442 has 8 divisors (see below), whose sum is σ = 70920000. Its totient is φ = 23544444.

The previous prime is 47184439. The next prime is 47184461. The reversal of 47184442 is 24448174.

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

It is a junction number, because it is equal to n+sod(n) for n = 47184398 and 47184407.

It is an unprimeable number.

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, 22642 + ... + 24637.

It is an arithmetic number, because the mean of its divisors is an integer number (8865000).

Almost surely, 2^47184442 is an apocalyptic number.

47184442 is a deficient number, since it is larger than the sum of its proper divisors (23735558).

47184442 is a wasteful number, since it uses less digits than its factorization.

47184442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780.

The product of its digits is 28672, while the sum is 34.

The square root of 47184442 is about 6869.0932443809. The cubic root of 47184442 is about 361.3540621254.

The spelling of 47184442 in words is "forty-seven million, one hundred eighty-four thousand, four hundred forty-two".