47631768 has 32 divisors (see below), whose sum is σ = 119568960. Its totient is φ = 15812000.

The previous prime is 47631767. The next prime is 47631797. The reversal of 47631768 is 86713674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47631763) 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, 2071 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (3736530).

Almost surely, 2^47631768 is an apocalyptic number.

It is an amenable number.

47631768 is an abundant number, since it is smaller than the sum of its proper divisors (71937192).

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

47631768 is a wasteful number, since it uses less digits than its factorization.

47631768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167 (or 8163 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 47631768 is about 6901.5772110439. The cubic root of 47631768 is about 362.4923958770.

The spelling of 47631768 in words is "forty-seven million, six hundred thirty-one thousand, seven hundred sixty-eight".