47715328 has 44 divisors (see below), whose sum is σ = 101031732. Its totient is φ = 22446080.

The previous prime is 47715257. The next prime is 47715331. The reversal of 47715328 is 82351774.

It can be written as a sum of positive squares in 2 ways, for example, as 25887744 + 21827584 = 5088^2 + 4672^2 .

It is a super-2 number, since 2×47715328² = 4553505052295168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16038 + ... + 18778.

Almost surely, 2^47715328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47715328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50515866).

47715328 is an abundant number, since it is smaller than the sum of its proper divisors (53316404).

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

47715328 is a wasteful number, since it uses less digits than its factorization.

47715328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778 (or 2760 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 47715328 is about 6907.6282470903. The cubic root of 47715328 is about 362.7042444722.

The spelling of 47715328 in words is "forty-seven million, seven hundred fifteen thousand, three hundred twenty-eight".