47747120 has 20 divisors (see below), whose sum is σ = 111012240. Its totient is φ = 19098816.

The previous prime is 47747113. The next prime is 47747129. The reversal of 47747120 is 2174774.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47747129) 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, 298340 + ... + 298499.

It is an arithmetic number, because the mean of its divisors is an integer number (5550612).

Almost surely, 2^47747120 is an apocalyptic number.

47747120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47747120 is an abundant number, since it is smaller than the sum of its proper divisors (63265120).

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

47747120 is a wasteful number, since it uses less digits than its factorization.

47747120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596852 (or 596846 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 47747120 is about 6909.9290879140. The cubic root of 47747120 is about 362.7847813687.

The spelling of 47747120 in words is "forty-seven million, seven hundred forty-seven thousand, one hundred twenty".