47443042 has 4 divisors (see below), whose sum is σ = 71164566. Its totient is φ = 23721520.

The previous prime is 47443037. The next prime is 47443079. The reversal of 47443042 is 24034474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24034474 = 2 ⋅12017237.

It can be written as a sum of positive squares in only one way, i.e., 30129121 + 17313921 = 5489^2 + 4161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47443042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11860759 + ... + 11860762.

Almost surely, 2^47443042 is an apocalyptic number.

47443042 is a deficient number, since it is larger than the sum of its proper divisors (23721524).

47443042 is a wasteful number, since it uses less digits than its factorization.

47443042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23721523.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 47443042 is about 6887.8909689396. The cubic root of 47443042 is about 362.0130078860.

The spelling of 47443042 in words is "forty-seven million, four hundred forty-three thousand, forty-two".