47542442 has 8 divisors (see below), whose sum is σ = 71404032. Its totient is φ = 23741100.

The previous prime is 47542399. The next prime is 47542457. The reversal of 47542442 is 24424574.

47542442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47542399 and 47542408.

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 in 3 ways as a sum of consecutive naturals, for example, 13034 + ... + 16277.

It is an arithmetic number, because the mean of its divisors is an integer number (8925504).

Almost surely, 2^47542442 is an apocalyptic number.

47542442 is a deficient number, since it is larger than the sum of its proper divisors (23861590).

47542442 is a wasteful number, since it uses less digits than its factorization.

47542442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30124.

The product of its digits is 35840, while the sum is 32.

The square root of 47542442 is about 6895.1027548543. The cubic root of 47542442 is about 362.2656546393.

The spelling of 47542442 in words is "forty-seven million, five hundred forty-two thousand, four hundred forty-two".