47012837 has 4 divisors (see below), whose sum is σ = 49778316. Its totient is φ = 44247360.

The previous prime is 47012827. The next prime is 47012879. The reversal of 47012837 is 73821074.

It is a happy number.

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 13535041 + 33477796 = 3679^2 + 5786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47012837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47012807) 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, 1382714 + ... + 1382747.

It is an arithmetic number, because the mean of its divisors is an integer number (12444579).

Almost surely, 2^47012837 is an apocalyptic number.

It is an amenable number.

47012837 is a deficient number, since it is larger than the sum of its proper divisors (2765479).

47012837 is a wasteful number, since it uses less digits than its factorization.

47012837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765478.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 47012837 is about 6856.5907709298. The cubic root of 47012837 is about 360.9154606971.

The spelling of 47012837 in words is "forty-seven million, twelve thousand, eight hundred thirty-seven".