47644134 has 16 divisors (see below), whose sum is σ = 100303680. Its totient is φ = 15045480.

The previous prime is 47644133. The next prime is 47644147. The reversal of 47644134 is 43144674.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47644095 and 47644104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47644133) 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, 208852 + ... + 209079.

It is an arithmetic number, because the mean of its divisors is an integer number (6268980).

Almost surely, 2^47644134 is an apocalyptic number.

47644134 is an abundant number, since it is smaller than the sum of its proper divisors (52659546).

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

47644134 is a wasteful number, since it uses less digits than its factorization.

47644134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417955.

The product of its digits is 32256, while the sum is 33.

The square root of 47644134 is about 6902.4730350795. The cubic root of 47644134 is about 362.5237628497.

The spelling of 47644134 in words is "forty-seven million, six hundred forty-four thousand, one hundred thirty-four".