47218492 has 12 divisors (see below), whose sum is σ = 83140456. Its totient is φ = 23464080.

The previous prime is 47218489. The next prime is 47218543. The reversal of 47218492 is 29481274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35559 + ... + 36862.

Almost surely, 2^47218492 is an apocalyptic number.

It is an amenable number.

47218492 is a deficient number, since it is larger than the sum of its proper divisors (35921964).

47218492 is a wasteful number, since it uses less digits than its factorization.

47218492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72588 (or 72586 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 47218492 is about 6871.5712904692. The cubic root of 47218492 is about 361.4409632789.

The spelling of 47218492 in words is "forty-seven million, two hundred eighteen thousand, four hundred ninety-two".