47581492 has 24 divisors (see below), whose sum is σ = 96961536. Its totient is φ = 20006688.

The previous prime is 47581483. The next prime is 47581517. The reversal of 47581492 is 29418574.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14548 + ... + 17515.

It is an arithmetic number, because the mean of its divisors is an integer number (4040064).

Almost surely, 2^47581492 is an apocalyptic number.

It is an amenable number.

47581492 is an abundant number, since it is smaller than the sum of its proper divisors (49380044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47581492 is a wasteful number, since it uses less digits than its factorization.

47581492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32127 (or 32125 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 47581492 is about 6897.9338935655. The cubic root of 47581492 is about 362.3648123730.

The spelling of 47581492 in words is "forty-seven million, five hundred eighty-one thousand, four hundred ninety-two".