47492 has 12 divisors (see below), whose sum is σ = 86016. Its totient is φ = 22920.

The previous prime is 47491. The next prime is 47497. The reversal of 47492 is 29474.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 14.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 315.

It is an arithmetic number, because the mean of its divisors is an integer number (7168).

2⁴⁷⁴⁹² is an apocalyptic number.

It is an amenable number.

47492 is a deficient number, since it is larger than the sum of its proper divisors (38524).

47492 is a wasteful number, since it uses less digits than its factorization.

47492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 47492 is about 217.9265931455. The cubic root of 47492 is about 36.2137489363.

The spelling of 47492 in words is "forty-seven thousand, four hundred ninety-two".