47012644 has 48 divisors (see below), whose sum is σ = 100816128. Its totient is φ = 18741888.

The previous prime is 47012597. The next prime is 47012653. The reversal of 47012644 is 44621074.

47012644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22842 + ... + 24814.

It is an arithmetic number, because the mean of its divisors is an integer number (2100336).

Almost surely, 2^47012644 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 47012644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50408064).

47012644 is an abundant number, since it is smaller than the sum of its proper divisors (53803484).

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

47012644 is a wasteful number, since it uses less digits than its factorization.

47012644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 47012644 is about 6856.5766968656. The cubic root of 47012644 is about 360.9149668123.

The spelling of 47012644 in words is "forty-seven million, twelve thousand, six hundred forty-four".