47843040 has 192 divisors, whose sum is σ = 178536960. Its totient is φ = 10536960.

The previous prime is 47843027. The next prime is 47843053. The reversal of 47843040 is 4034874.

It is an interprime number because it is at equal distance from previous prime (47843027) and next prime (47843053).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 47842989 and 47843007.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 97195 + ... + 97685.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^47843040 is an apocalyptic number.

47843040 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 47843040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89268480).

47843040 is an abundant number, since it is smaller than the sum of its proper divisors (130693920).

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

47843040 is a wasteful number, since it uses less digits than its factorization.

47843040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 47843040 is about 6916.8663424993. The cubic root of 47843040 is about 363.0275537069.

The spelling of 47843040 in words is "forty-seven million, eight hundred forty-three thousand, forty".