47354840 has 64 divisors (see below), whose sum is σ = 120808800. Its totient is φ = 16561152.

The previous prime is 47354807. The next prime is 47354851. The reversal of 47354840 is 4845374.

47354840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47354840.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7484 + ... + 12276.

Almost surely, 2^47354840 is an apocalyptic number.

47354840 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 47354840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60404400).

47354840 is an abundant number, since it is smaller than the sum of its proper divisors (73453960).

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

47354840 is a wasteful number, since it uses less digits than its factorization.

47354840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 47354840 is about 6881.4853047870. The cubic root of 47354840 is about 361.7885276267.

The spelling of 47354840 in words is "forty-seven million, three hundred fifty-four thousand, eight hundred forty".