47209982 has 8 divisors (see below), whose sum is σ = 70875000. Its totient is φ = 23584984.

The previous prime is 47209973. The next prime is 47209991. The reversal of 47209982 is 28990274.

It is an interprime number because it is at equal distance from previous prime (47209973) and next prime (47209991).

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

It is a congruent number.

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, 6857 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (8859375).

Almost surely, 2^47209982 is an apocalyptic number.

47209982 is a deficient number, since it is larger than the sum of its proper divisors (23665018).

47209982 is a wasteful number, since it uses less digits than its factorization.

47209982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20010.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 47209982 is about 6870.9520446587. The cubic root of 47209982 is about 361.4192482878.

The spelling of 47209982 in words is "forty-seven million, two hundred nine thousand, nine hundred eighty-two".