47378344 has 64 divisors (see below), whose sum is σ = 103420800. Its totient is φ = 20165376.

The previous prime is 47378341. The next prime is 47378351. The reversal of 47378344 is 44387374.

It is a junction number, because it is equal to n+sod(n) for n = 47378297 and 47378306.

It is not an unprimeable number, because it can be changed into a prime (47378341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69027 + ... + 69709.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 2^47378344 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 47378344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51710400).

47378344 is an abundant number, since it is smaller than the sum of its proper divisors (56042456).

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

47378344 is a wasteful number, since it uses less digits than its factorization.

47378344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 750 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 47378344 is about 6883.1928637806. The cubic root of 47378344 is about 361.8483741744.

The spelling of 47378344 in words is "forty-seven million, three hundred seventy-eight thousand, three hundred forty-four".