47444661 has 12 divisors (see below), whose sum is σ = 74761440. Its totient is φ = 28754280.

The previous prime is 47444651. The next prime is 47444681. The reversal of 47444661 is 16644474.

It is not a de Polignac number, because 47444661 - 2⁵ = 47444629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47444651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239521 + ... + 239718.

It is an arithmetic number, because the mean of its divisors is an integer number (6230120).

Almost surely, 2^47444661 is an apocalyptic number.

It is an amenable number.

47444661 is a deficient number, since it is larger than the sum of its proper divisors (27316779).

47444661 is a wasteful number, since it uses less digits than its factorization.

47444661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479256 (or 479253 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 47444661 is about 6888.0084930261. The cubic root of 47444661 is about 362.0171257529.

The spelling of 47444661 in words is "forty-seven million, four hundred forty-four thousand, six hundred sixty-one".