47071863 has 24 divisors (see below), whose sum is σ = 69870528. Its totient is φ = 30523392.

The previous prime is 47071859. The next prime is 47071883. The reversal of 47071863 is 36817074.

47071863 is a `hidden beast` number, since 470 + 7 + 186 + 3 = 666.

It is not a de Polignac number, because 47071863 - 2² = 47071859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47071853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108495 + ... + 108927.

It is an arithmetic number, because the mean of its divisors is an integer number (2911272).

Almost surely, 2^47071863 is an apocalyptic number.

47071863 is a deficient number, since it is larger than the sum of its proper divisors (22798665).

47071863 is a wasteful number, since it uses less digits than its factorization.

47071863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47071863 is about 6860.8937464444. The cubic root of 47071863 is about 361.0664441864.

The spelling of 47071863 in words is "forty-seven million, seventy-one thousand, eight hundred sixty-three".