47007442 has 4 divisors (see below), whose sum is σ = 70511166. Its totient is φ = 23503720.

The previous prime is 47007421. The next prime is 47007487. The reversal of 47007442 is 24470074.

47007442 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: 24470074 = 2 ⋅12235037.

It can be written as a sum of positive squares in only one way, i.e., 34680321 + 12327121 = 5889^2 + 3511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47007442.

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, 11751859 + ... + 11751862.

Almost surely, 2^47007442 is an apocalyptic number.

47007442 is a deficient number, since it is larger than the sum of its proper divisors (23503724).

47007442 is a wasteful number, since it uses less digits than its factorization.

47007442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23503723.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47007442 is about 6856.1973425508. The cubic root of 47007442 is about 360.9016544439.

The spelling of 47007442 in words is "forty-seven million, seven thousand, four hundred forty-two".