47647698 has 48 divisors (see below), whose sum is σ = 113461920. Its totient is φ = 13293504.

The previous prime is 47647669. The next prime is 47647703. The reversal of 47647698 is 89674674.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47647698.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10758 + ... + 14526.

It is an arithmetic number, because the mean of its divisors is an integer number (2363790).

Almost surely, 2^47647698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47647698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56730960).

47647698 is an abundant number, since it is smaller than the sum of its proper divisors (65814222).

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

47647698 is a wasteful number, since it uses less digits than its factorization.

47647698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831 (or 3824 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 47647698 is about 6902.7311985909. The cubic root of 47647698 is about 362.5328021050.

The spelling of 47647698 in words is "forty-seven million, six hundred forty-seven thousand, six hundred ninety-eight".