47372018 has 8 divisors (see below), whose sum is σ = 71114112. Its totient is φ = 23667316.

The previous prime is 47371991. The next prime is 47372021. The reversal of 47372018 is 81027374.

It is a happy number.

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

It is a Curzon 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, 5930 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (8889264).

Almost surely, 2^47372018 is an apocalyptic number.

47372018 is a deficient number, since it is larger than the sum of its proper divisors (23742094).

47372018 is a wasteful number, since it uses less digits than its factorization.

47372018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 47372018 is about 6882.7333233244. The cubic root of 47372018 is about 361.8322686818.

The spelling of 47372018 in words is "forty-seven million, three hundred seventy-two thousand, eighteen".