47691776 has 96 divisors (see below), whose sum is σ = 109090800. Its totient is φ = 20643840.

The previous prime is 47691737. The next prime is 47691799. The reversal of 47691776 is 67719674.

It is a self number, because there is not a number n which added to its sum of digits gives 47691776.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653276 + ... + 653348.

Almost surely, 2^47691776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47691776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54545400).

47691776 is an abundant number, since it is smaller than the sum of its proper divisors (61399024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47691776 is a wasteful number, since it uses less digits than its factorization.

47691776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 115 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 47691776 is about 6905.9232547140. The cubic root of 47691776 is about 362.6445584370.

The spelling of 47691776 in words is "forty-seven million, six hundred ninety-one thousand, seven hundred seventy-six".