47020188 has 24 divisors (see below), whose sum is σ = 114484608. Its totient is φ = 14991856.

The previous prime is 47020159. The next prime is 47020241. The reversal of 47020188 is 88102074.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84906 + ... + 85457.

It is an arithmetic number, because the mean of its divisors is an integer number (4770192).

Almost surely, 2^47020188 is an apocalyptic number.

It is an amenable number.

47020188 is an abundant number, since it is smaller than the sum of its proper divisors (67464420).

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

47020188 is a wasteful number, since it uses less digits than its factorization.

47020188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170393 (or 170391 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 47020188 is about 6857.1268035526. The cubic root of 47020188 is about 360.9342708169.

The spelling of 47020188 in words is "forty-seven million, twenty thousand, one hundred eighty-eight".