47109378 has 8 divisors (see below), whose sum is σ = 94218768. Its totient is φ = 15703124.

The previous prime is 47109371. The next prime is 47109401. The reversal of 47109378 is 87390174.

It is a sphenic number, since it is the product of 3 distinct primes.

47109378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47109371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3925776 + ... + 3925787.

It is an arithmetic number, because the mean of its divisors is an integer number (11777346).

Almost surely, 2^47109378 is an apocalyptic number.

47109378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47109378 is a wasteful number, since it uses less digits than its factorization.

47109378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851568.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 47109378 is about 6863.6271751895. The cubic root of 47109378 is about 361.1623387750.

The spelling of 47109378 in words is "forty-seven million, one hundred nine thousand, three hundred seventy-eight".