47342916 has 18 divisors (see below), whose sum is σ = 119672462. Its totient is φ = 15780960.

The previous prime is 47342891. The next prime is 47342929. The reversal of 47342916 is 61924374.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 6969600 = 6354^2 + 2640^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1315081 = 47342916 / (4 + 7 + 3 + 4 + 2 + 9 + 1 + 6).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 657505 + ... + 657576.

Almost surely, 2^47342916 is an apocalyptic number.

It is an amenable number.

47342916 is an abundant number, since it is smaller than the sum of its proper divisors (72329546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47342916 is a wasteful number, since it uses less digits than its factorization.

47342916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315091 (or 1315086 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 47342916 is about 6880.6188675148. The cubic root of 47342916 is about 361.7581588299.

The spelling of 47342916 in words is "forty-seven million, three hundred forty-two thousand, nine hundred sixteen".