47747133 has 48 divisors (see below), whose sum is σ = 83940480. Its totient is φ = 25546752.

The previous prime is 47747129. The next prime is 47747197. The reversal of 47747133 is 33174774.

It is not a de Polignac number, because 47747133 - 2² = 47747129 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47747113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135085 + ... + 135437.

It is an arithmetic number, because the mean of its divisors is an integer number (1748760).

Almost surely, 2^47747133 is an apocalyptic number.

It is an amenable number.

47747133 is a deficient number, since it is larger than the sum of its proper divisors (36193347).

47747133 is a wasteful number, since it uses less digits than its factorization.

47747133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 47747133 is about 6909.9300285893. The cubic root of 47747133 is about 362.7848142936.

The spelling of 47747133 in words is "forty-seven million, seven hundred forty-seven thousand, one hundred thirty-three".