47081837 has 8 divisors (see below), whose sum is σ = 51498720. Its totient is φ = 42687760.

The previous prime is 47081803. The next prime is 47081849. The reversal of 47081837 is 73818074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47081837 - 2⁸ = 47081581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47081837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47081137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223 + ... + 9780.

It is an arithmetic number, because the mean of its divisors is an integer number (6437340).

Almost surely, 2^47081837 is an apocalyptic number.

It is an amenable number.

47081837 is a deficient number, since it is larger than the sum of its proper divisors (4416883).

47081837 is a wasteful number, since it uses less digits than its factorization.

47081837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 47081837 is about 6861.6205811747. The cubic root of 47081837 is about 361.0919443625.

The spelling of 47081837 in words is "forty-seven million, eighty-one thousand, eight hundred thirty-seven".