47874240 has 140 divisors (see below), whose sum is σ = 170389296. Its totient is φ = 12759552.

The previous prime is 47874223. The next prime is 47874259. The reversal of 47874240 is 4247874.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47874195 and 47874204.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24997 + ... + 26843.

Almost surely, 2^47874240 is an apocalyptic number.

47874240 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 47874240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85194648).

47874240 is an abundant number, since it is smaller than the sum of its proper divisors (122515056).

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

47874240 is a wasteful number, since it uses less digits than its factorization.

47874240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 47874240 is about 6919.1213314987. The cubic root of 47874240 is about 363.1064505778.

The spelling of 47874240 in words is "forty-seven million, eight hundred seventy-four thousand, two hundred forty".