47454641 has 4 divisors (see below), whose sum is σ = 51105012. Its totient is φ = 43804272.

The previous prime is 47454637. The next prime is 47454691. The reversal of 47454641 is 14645474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24453025 + 23001616 = 4945^2 + 4796^2 .

It is a cyclic number.

It is not a de Polignac number, because 47454641 - 2² = 47454637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47454691) 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, 1825166 + ... + 1825191.

It is an arithmetic number, because the mean of its divisors is an integer number (12776253).

Almost surely, 2^47454641 is an apocalyptic number.

It is an amenable number.

47454641 is a deficient number, since it is larger than the sum of its proper divisors (3650371).

47454641 is a wasteful number, since it uses less digits than its factorization.

47454641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650370.

The product of its digits is 53760, while the sum is 35.

The square root of 47454641 is about 6888.7329023558. The cubic root of 47454641 is about 362.0425074470.

The spelling of 47454641 in words is "forty-seven million, four hundred fifty-four thousand, six hundred forty-one".