47219193 has 30 divisors (see below), whose sum is σ = 82060506. Its totient is φ = 26980128.

The previous prime is 47219191. The next prime is 47219209. The reversal of 47219193 is 39191274.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 63504 = 6867^2 + 252^2 .

It is not a de Polignac number, because 47219193 - 2¹ = 47219191 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47219191) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1980 + ... + 9917.

Almost surely, 2^47219193 is an apocalyptic number.

It is an amenable number.

47219193 is a deficient number, since it is larger than the sum of its proper divisors (34841313).

47219193 is a wasteful number, since it uses less digits than its factorization.

47219193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11923 (or 11907 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 47219193 is about 6871.6222975364. The cubic root of 47219193 is about 361.4427519063.

The spelling of 47219193 in words is "forty-seven million, two hundred nineteen thousand, one hundred ninety-three".