47182738 has 8 divisors (see below), whose sum is σ = 74499120. Its totient is φ = 22349700.

The previous prime is 47182703. The next prime is 47182741. The reversal of 47182738 is 83728174.

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 47182738.

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, 620788 + ... + 620863.

It is an arithmetic number, because the mean of its divisors is an integer number (9312390).

Almost surely, 2^47182738 is an apocalyptic number.

47182738 is a deficient number, since it is larger than the sum of its proper divisors (27316382).

47182738 is a wasteful number, since it uses less digits than its factorization.

47182738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241672.

The product of its digits is 75264, while the sum is 40.

The square root of 47182738 is about 6868.9692094229. The cubic root of 47182738 is about 361.3497121412.

The spelling of 47182738 in words is "forty-seven million, one hundred eighty-two thousand, seven hundred thirty-eight".