47342661 has 16 divisors (see below), whose sum is σ = 66843840. Its totient is φ = 29721600.

The previous prime is 47342653. The next prime is 47342681. The reversal of 47342661 is 16624374.

It is a happy number.

It is not a de Polignac number, because 47342661 - 2³ = 47342653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47342641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 12261.

It is an arithmetic number, because the mean of its divisors is an integer number (4177740).

Almost surely, 2^47342661 is an apocalyptic number.

It is an amenable number.

47342661 is a deficient number, since it is larger than the sum of its proper divisors (19501179).

47342661 is a wasteful number, since it uses less digits than its factorization.

47342661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996.

The product of its digits is 24192, while the sum is 33.

The square root of 47342661 is about 6880.6003371799. The cubic root of 47342661 is about 361.7575093240.

It can be divided in two parts, 473 and 42661, that added together give a palindrome (43134).

The spelling of 47342661 in words is "forty-seven million, three hundred forty-two thousand, six hundred sixty-one".