47528136 has 48 divisors (see below), whose sum is σ = 130185900. Its totient is φ = 15662592.

The previous prime is 47528123. The next prime is 47528149. The reversal of 47528136 is 63182574.

It is an interprime number because it is at equal distance from previous prime (47528123) and next prime (47528149).

It can be written as a sum of positive squares in 2 ways, for example, as 47527236 + 900 = 6894^2 + 30^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 47528136.

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, 2700 + ... + 10116.

Almost surely, 2^47528136 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 47528136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65092950).

47528136 is an abundant number, since it is smaller than the sum of its proper divisors (82657764).

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

47528136 is a wasteful number, since it uses less digits than its factorization.

47528136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 7511 counting only the distinct ones).

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

The square root of 47528136 is about 6894.0652738424. The cubic root of 47528136 is about 362.2293145317.

The spelling of 47528136 in words is "forty-seven million, five hundred twenty-eight thousand, one hundred thirty-six".