47651328 has 120 divisors (see below), whose sum is σ = 142990848. Its totient is φ = 15842304.

The previous prime is 47651311. The next prime is 47651341. The reversal of 47651328 is 82315674.

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 = 47651292 and 47651301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124225 + ... + 124607.

Almost surely, 2^47651328 is an apocalyptic number.

47651328 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 47651328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71495424).

47651328 is an abundant number, since it is smaller than the sum of its proper divisors (95339520).

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

47651328 is an frugal number, since it uses more digits than its factorization.

47651328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 388 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 47651328 is about 6902.9941329832. The cubic root of 47651328 is about 362.5420082906.

The spelling of 47651328 in words is "forty-seven million, six hundred fifty-one thousand, three hundred twenty-eight".