47530018 has 8 divisors (see below), whose sum is σ = 71354448. Its totient is φ = 23745204.

The previous prime is 47530009. The next prime is 47530061. The reversal of 47530018 is 81003574.

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

It is a super-2 number, since 2×47530018² = 4518205222160648, which contains 22 as substring.

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, 6696 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (8919306).

Almost surely, 2^47530018 is an apocalyptic number.

47530018 is a deficient number, since it is larger than the sum of its proper divisors (23824430).

47530018 is a wasteful number, since it uses less digits than its factorization.

47530018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 47530018 is about 6894.2017667022. The cubic root of 47530018 is about 362.2340956054.

The spelling of 47530018 in words is "forty-seven million, five hundred thirty thousand, eighteen".