47420379 has 12 divisors (see below), whose sum is σ = 68679936. Its totient is φ = 31528752.

The previous prime is 47420377. The next prime is 47420383. The reversal of 47420379 is 97302474.

It is not a de Polignac number, because 47420379 - 2¹ = 47420377 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 3432 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (5723328).

Almost surely, 2^47420379 is an apocalyptic number.

47420379 is a deficient number, since it is larger than the sum of its proper divisors (21259557).

47420379 is a wasteful number, since it uses less digits than its factorization.

47420379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14146 (or 14143 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 47420379 is about 6886.2456389531. The cubic root of 47420379 is about 361.9553555436.

The spelling of 47420379 in words is "forty-seven million, four hundred twenty thousand, three hundred seventy-nine".