47893042 has 4 divisors (see below), whose sum is σ = 71839566. Its totient is φ = 23946520.

The previous prime is 47893009. The next prime is 47893051. The reversal of 47893042 is 24039874.

It is a happy number.

47893042 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, and also an emirpimes, since its reverse is a distinct semiprime: 24039874 = 2 ⋅12019937.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 12383361 = 5959^2 + 3519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47892992 and 47893010.

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, 11973259 + ... + 11973262.

Almost surely, 2^47893042 is an apocalyptic number.

47893042 is a deficient number, since it is larger than the sum of its proper divisors (23946524).

47893042 is a wasteful number, since it uses less digits than its factorization.

47893042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23946523.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 47893042 is about 6920.4798966546. The cubic root of 47893042 is about 363.1539795058.

The spelling of 47893042 in words is "forty-seven million, eight hundred ninety-three thousand, forty-two".