47043018 has 40 divisors (see below), whose sum is σ = 114998400. Its totient is φ = 14254920.

The previous prime is 47042987. The next prime is 47043019. The reversal of 47043018 is 81034074.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 47042982 and 47043000.

It is not an unprimeable number, because it can be changed into a prime (47043019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11418 + ... + 14981.

It is an arithmetic number, because the mean of its divisors is an integer number (2874960).

Almost surely, 2^47043018 is an apocalyptic number.

47043018 is an abundant number, since it is smaller than the sum of its proper divisors (67955382).

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

47043018 is a wasteful number, since it uses less digits than its factorization.

47043018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424 (or 26415 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 47043018 is about 6858.7912929320. The cubic root of 47043018 is about 360.9926769078.

The spelling of 47043018 in words is "forty-seven million, forty-three thousand, eighteen".