47797420 has 36 divisors (see below), whose sum is σ = 110334672. Its totient is φ = 17380000.

The previous prime is 47797403. The next prime is 47797433. The reversal of 47797420 is 2479774.

47797420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7456 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (3064852).

Almost surely, 2^47797420 is an apocalyptic number.

It is an amenable number.

47797420 is an abundant number, since it is smaller than the sum of its proper divisors (62537252).

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

47797420 is a wasteful number, since it uses less digits than its factorization.

47797420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782 (or 19769 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 47797420 is about 6913.5678198742. The cubic root of 47797420 is about 362.9121305529.

The spelling of 47797420 in words is "forty-seven million, seven hundred ninety-seven thousand, four hundred twenty".