47163018 has 32 divisors (see below), whose sum is σ = 112490496. Its totient is φ = 12889008.

The previous prime is 47162993. The next prime is 47163023. The reversal of 47163018 is 81036174.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23446 + ... + 25377.

It is an arithmetic number, because the mean of its divisors is an integer number (3515328).

Almost surely, 2^47163018 is an apocalyptic number.

47163018 is an abundant number, since it is smaller than the sum of its proper divisors (65327478).

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

47163018 is a wasteful number, since it uses less digits than its factorization.

47163018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48858.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 47163018 is about 6867.5336184106. The cubic root of 47163018 is about 361.2993631534.

The spelling of 47163018 in words is "forty-seven million, one hundred sixty-three thousand, eighteen".