47420378 has 16 divisors (see below), whose sum is σ = 75487464. Its totient is φ = 22264320.

The previous prime is 47420377. The next prime is 47420383. The reversal of 47420378 is 87302474.

It can be written as a sum of positive squares in 4 ways, for example, as 28697449 + 18722929 = 5357^2 + 4327^2 .

It is not an unprimeable number, because it can be changed into a prime (47420377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16376 + ... + 19052.

Almost surely, 2^47420378 is an apocalyptic number.

47420378 is a deficient number, since it is larger than the sum of its proper divisors (28067086).

47420378 is a wasteful number, since it uses less digits than its factorization.

47420378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 47420378 is about 6886.2455663446. The cubic root of 47420378 is about 361.9553529993.

The spelling of 47420378 in words is "forty-seven million, four hundred twenty thousand, three hundred seventy-eight".