47671766 has 16 divisors (see below), whose sum is σ = 75781440. Its totient is φ = 22451520.

The previous prime is 47671763. The next prime is 47671783. The reversal of 47671766 is 66717674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671763) 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, 7646 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (4736340).

Almost surely, 2^47671766 is an apocalyptic number.

47671766 is a deficient number, since it is larger than the sum of its proper divisors (28109674).

47671766 is a wasteful number, since it uses less digits than its factorization.

47671766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20119.

The product of its digits is 296352, while the sum is 44.

The square root of 47671766 is about 6904.4743463931. The cubic root of 47671766 is about 362.5938331804.

The spelling of 47671766 in words is "forty-seven million, six hundred seventy-one thousand, seven hundred sixty-six".