47430288 has 60 divisors (see below), whose sum is σ = 133415568. Its totient is φ = 15729600.

The previous prime is 47430287. The next prime is 47430353. The reversal of 47430288 is 88203474.

47430288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (47430287) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 31963 + ... + 33413.

Almost surely, 2^47430288 is an apocalyptic number.

47430288 is a gapful number since it is divisible by the number (48) 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 47430288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66707784).

47430288 is an abundant number, since it is smaller than the sum of its proper divisors (85985280).

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

47430288 is a wasteful number, since it uses less digits than its factorization.

47430288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 47430288 is about 6886.9650790461. The cubic root of 47430288 is about 361.9805652804.

The spelling of 47430288 in words is "forty-seven million, four hundred thirty thousand, two hundred eighty-eight".