47634136 has 48 divisors (see below), whose sum is σ = 103557240. Its totient is φ = 20367360.

The previous prime is 47634131. The next prime is 47634143. The reversal of 47634136 is 63143674.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47634131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24496 + ... + 26368.

Almost surely, 2^47634136 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 47634136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51778620).

47634136 is an abundant number, since it is smaller than the sum of its proper divisors (55923104).

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

47634136 is a wasteful number, since it uses less digits than its factorization.

47634136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924 (or 1903 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 47634136 is about 6901.7487639003. The cubic root of 47634136 is about 362.4984028467.

The spelling of 47634136 in words is "forty-seven million, six hundred thirty-four thousand, one hundred thirty-six".