47470218 has 16 divisors (see below), whose sum is σ = 95199456. Its totient is φ = 15780240.

The previous prime is 47470217. The next prime is 47470219. The reversal of 47470218 is 81207474.

It is an interprime number because it is at equal distance from previous prime (47470217) and next prime (47470219).

It is not an unprimeable number, because it can be changed into a prime (47470217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8368 + ... + 12843.

It is an arithmetic number, because the mean of its divisors is an integer number (5949966).

Almost surely, 2^47470218 is an apocalyptic number.

47470218 is an abundant number, since it is smaller than the sum of its proper divisors (47729238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47470218 is a wasteful number, since it uses less digits than its factorization.

47470218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21589.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47470218 is about 6889.8634239004. The cubic root of 47470218 is about 362.0821166336.

The spelling of 47470218 in words is "forty-seven million, four hundred seventy thousand, two hundred eighteen".