47947264 has 40 divisors (see below), whose sum is σ = 98428968. Its totient is φ = 23316480.

The previous prime is 47947253. The next prime is 47947307. The reversal of 47947264 is 46274974.

It is a self number, because there is not a number n which added to its sum of digits gives 47947264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17679 + ... + 20209.

Almost surely, 2^47947264 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 47947264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49214484).

47947264 is an abundant number, since it is smaller than the sum of its proper divisors (50481704).

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

47947264 is an equidigital number, since it uses as much as digits as its factorization.

47947264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2570 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 47947264 is about 6924.3962913744. The cubic root of 47947264 is about 363.2909758064.

The spelling of 47947264 in words is "forty-seven million, nine hundred forty-seven thousand, two hundred sixty-four".