47298720 has 144 divisors (see below), whose sum is σ = 173402208. Its totient is φ = 10805760.

The previous prime is 47298661. The next prime is 47298751. The reversal of 47298720 is 2789274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22515 + ... + 24525.

It is an arithmetic number, because the mean of its divisors is an integer number (1204182).

Almost surely, 2^47298720 is an apocalyptic number.

47298720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47298720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86701104).

47298720 is an abundant number, since it is smaller than the sum of its proper divisors (126103488).

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

47298720 is a wasteful number, since it uses less digits than its factorization.

47298720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 47298720 is about 6877.4064879139. The cubic root of 47298720 is about 361.6455531668.

The spelling of 47298720 in words is "forty-seven million, two hundred ninety-eight thousand, seven hundred twenty".