47087724 has 12 divisors (see below), whose sum is σ = 109871384. Its totient is φ = 15695904.

The previous prime is 47087707. The next prime is 47087743. The reversal of 47087724 is 42778074.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1961977 + ... + 1962000.

Almost surely, 2^47087724 is an apocalyptic number.

It is an amenable number.

47087724 is an abundant number, since it is smaller than the sum of its proper divisors (62783660).

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

47087724 is a wasteful number, since it uses less digits than its factorization.

47087724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923984 (or 3923982 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 47087724 is about 6862.0495480578. The cubic root of 47087724 is about 361.1069937589.

The spelling of 47087724 in words is "forty-seven million, eighty-seven thousand, seven hundred twenty-four".