47846642 has 4 divisors (see below), whose sum is σ = 71769966. Its totient is φ = 23923320.

The previous prime is 47846627. The next prime is 47846663. The reversal of 47846642 is 24664874.

47846642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35868121 + 11978521 = 5989^2 + 3461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47846642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961659 + ... + 11961662.

Almost surely, 2^47846642 is an apocalyptic number.

47846642 is a deficient number, since it is larger than the sum of its proper divisors (23923324).

47846642 is a wasteful number, since it uses less digits than its factorization.

47846642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923323.

The product of its digits is 258048, while the sum is 41.

The square root of 47846642 is about 6917.1267156241. The cubic root of 47846642 is about 363.0366640005.

The spelling of 47846642 in words is "forty-seven million, eight hundred forty-six thousand, six hundred forty-two".