47344668 has 96 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 12917760.

The previous prime is 47344663. The next prime is 47344669. The reversal of 47344668 is 86644374.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47344663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203080 + ... + 203312.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^47344668 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 47344668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66044160).

47344668 is an abundant number, since it is smaller than the sum of its proper divisors (84743652).

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

47344668 is a wasteful number, since it uses less digits than its factorization.

47344668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The square root of 47344668 is about 6880.7461804662. The cubic root of 47344668 is about 361.7626212537.

The spelling of 47344668 in words is "forty-seven million, three hundred forty-four thousand, six hundred sixty-eight".