47213210 has 16 divisors (see below), whose sum is σ = 92709792. Its totient is φ = 17168400.

The previous prime is 47213209. The next prime is 47213237. The reversal of 47213210 is 1231274.

It is a Curzon 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, 214496 + ... + 214715.

It is an arithmetic number, because the mean of its divisors is an integer number (5794362).

Almost surely, 2^47213210 is an apocalyptic number.

47213210 is a deficient number, since it is larger than the sum of its proper divisors (45496582).

47213210 is a wasteful number, since it uses less digits than its factorization.

47213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429229.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 47213210 is about 6871.1869425886. The cubic root of 47213210 is about 361.4274854917.

Adding to 47213210 its reverse (1231274), we get a palindrome (48444484).

The spelling of 47213210 in words is "forty-seven million, two hundred thirteen thousand, two hundred ten".