47067240 has 128 divisors (see below), whose sum is σ = 155675520. Its totient is φ = 11289600.

The previous prime is 47067239. The next prime is 47067247. The reversal of 47067240 is 4276074.

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 = 47067198 and 47067207.

It is not an unprimeable number, because it can be changed into a prime (47067247) by changing a digit.

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, 238822 + ... + 239018.

It is an arithmetic number, because the mean of its divisors is an integer number (1216215).

Almost surely, 2^47067240 is an apocalyptic number.

47067240 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 47067240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77837760).

47067240 is an abundant number, since it is smaller than the sum of its proper divisors (108608280).

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

47067240 is a wasteful number, since it uses less digits than its factorization.

47067240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 47067240 is about 6860.5568287130. The cubic root of 47067240 is about 361.0546235026.

The spelling of 47067240 in words is "forty-seven million, sixty-seven thousand, two hundred forty".