47352840 has 64 divisors (see below), whose sum is σ = 143501760. Its totient is φ = 12499200.

The previous prime is 47352821. The next prime is 47352863. The reversal of 47352840 is 4825374.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10167 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (2242215).

Almost surely, 2^47352840 is an apocalyptic number.

47352840 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 47352840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71750880).

47352840 is an abundant number, since it is smaller than the sum of its proper divisors (96148920).

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

47352840 is a wasteful number, since it uses less digits than its factorization.

47352840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 47352840 is about 6881.3399857877. The cubic root of 47352840 is about 361.7834342561.

The spelling of 47352840 in words is "forty-seven million, three hundred fifty-two thousand, eight hundred forty".