47791441 has 4 divisors (see below), whose sum is σ = 50306800. Its totient is φ = 45276084.

The previous prime is 47791427. The next prime is 47791453. The reversal of 47791441 is 14419774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47791441 - 2¹³ = 47783249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47791441.

It is not an unprimeable number, because it can be changed into a prime (47791411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257651 + ... + 1257688.

It is an arithmetic number, because the mean of its divisors is an integer number (12576700).

Almost surely, 2^47791441 is an apocalyptic number.

It is an amenable number.

47791441 is a deficient number, since it is larger than the sum of its proper divisors (2515359).

47791441 is a wasteful number, since it uses less digits than its factorization.

47791441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515358.

The product of its digits is 28224, while the sum is 37.

The square root of 47791441 is about 6913.1353957521. The cubic root of 47791441 is about 362.8969976433.

The spelling of 47791441 in words is "forty-seven million, seven hundred ninety-one thousand, four hundred forty-one".