47644476 has 96 divisors (see below), whose sum is σ = 129534720. Its totient is φ = 13590720.

The previous prime is 47644463. The next prime is 47644481. The reversal of 47644476 is 67444674.

Its product of digits (451584) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303390 + ... + 303546.

It is an arithmetic number, because the mean of its divisors is an integer number (1349320).

Almost surely, 2^47644476 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 47644476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64767360).

47644476 is an abundant number, since it is smaller than the sum of its proper divisors (81890244).

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

47644476 is a wasteful number, since it uses less digits than its factorization.

47644476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 192 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 47644476 is about 6902.4978087646. The cubic root of 47644476 is about 362.5246302725.

The spelling of 47644476 in words is "forty-seven million, six hundred forty-four thousand, four hundred seventy-six".