47213446 has 16 divisors (see below), whose sum is σ = 81029376. Its totient is φ = 20211336.

The previous prime is 47213401. The next prime is 47213447. The reversal of 47213446 is 64431274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47213447) 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, 17905 + ... + 20371.

It is an arithmetic number, because the mean of its divisors is an integer number (5064336).

Almost surely, 2^47213446 is an apocalyptic number.

47213446 is a deficient number, since it is larger than the sum of its proper divisors (33815930).

47213446 is a wasteful number, since it uses less digits than its factorization.

47213446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843.

The product of its digits is 16128, while the sum is 31.

The square root of 47213446 is about 6871.2041157282. The cubic root of 47213446 is about 361.4280877013.

The spelling of 47213446 in words is "forty-seven million, two hundred thirteen thousand, four hundred forty-six".