47642 has 16 divisors (see below), whose sum is σ = 84672. Its totient is φ = 19680.

The previous prime is 47639. The next prime is 47653. The reversal of 47642 is 24674.

47642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 533 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (5292).

2⁴⁷⁶⁴² is an apocalyptic number.

47642 is a deficient number, since it is larger than the sum of its proper divisors (37030).

47642 is a wasteful number, since it uses less digits than its factorization.

47642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its digits is 1344, while the sum is 23.

The square root of 47642 is about 218.2704744119. The cubic root of 47642 is about 36.2518350240.

The spelling of 47642 in words is "forty-seven thousand, six hundred forty-two".