47866437 has 16 divisors (see below), whose sum is σ = 71098560. Its totient is φ = 31827600.

The previous prime is 47866421. The next prime is 47866451. The reversal of 47866437 is 73466874.

It is not a de Polignac number, because 47866437 - 2⁴ = 47866421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47866392 and 47866401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47866537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9262 + ... + 13472.

It is an arithmetic number, because the mean of its divisors is an integer number (4443660).

Almost surely, 2^47866437 is an apocalyptic number.

It is an amenable number.

47866437 is a deficient number, since it is larger than the sum of its proper divisors (23232123).

47866437 is a wasteful number, since it uses less digits than its factorization.

47866437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641 (or 4635 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 47866437 is about 6918.5574363447. The cubic root of 47866437 is about 363.0867219890.

The spelling of 47866437 in words is "forty-seven million, eight hundred sixty-six thousand, four hundred thirty-seven".