47240688 has 160 divisors (see below), whose sum is σ = 148919040. Its totient is φ = 12718080.

The previous prime is 47240663. The next prime is 47240693. The reversal of 47240688 is 88604274.

47240688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 170406 + ... + 170682.

It is an arithmetic number, because the mean of its divisors is an integer number (930744).

Almost surely, 2^47240688 is an apocalyptic number.

47240688 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 47240688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74459520).

47240688 is an abundant number, since it is smaller than the sum of its proper divisors (101678352).

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

47240688 is a wasteful number, since it uses less digits than its factorization.

47240688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 47240688 is about 6873.1861607263. The cubic root of 47240688 is about 361.4975886006.

The spelling of 47240688 in words is "forty-seven million, two hundred forty thousand, six hundred eighty-eight".