47419449 has 32 divisors (see below), whose sum is σ = 79632384. Its totient is φ = 24382080.

The previous prime is 47419439. The next prime is 47419457. The reversal of 47419449 is 94491474.

It is not a de Polignac number, because 47419449 - 2¹¹ = 47417401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47419449.

It is not an unprimeable number, because it can be changed into a prime (47419439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22797 + ... + 24789.

It is an arithmetic number, because the mean of its divisors is an integer number (2488512).

Almost surely, 2^47419449 is an apocalyptic number.

It is an amenable number.

47419449 is a deficient number, since it is larger than the sum of its proper divisors (32212935).

47419449 is a wasteful number, since it uses less digits than its factorization.

47419449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117.

The product of its digits is 145152, while the sum is 42.

The square root of 47419449 is about 6886.1781127125. The cubic root of 47419449 is about 361.9529893268.

The spelling of 47419449 in words is "forty-seven million, four hundred nineteen thousand, four hundred forty-nine".