47481136 has 40 divisors (see below), whose sum is σ = 97962480. Its totient is φ = 22216704.

The previous prime is 47481121. The next prime is 47481167. The reversal of 47481136 is 63118474.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61360 + ... + 62128.

It is an arithmetic number, because the mean of its divisors is an integer number (2449062).

Almost surely, 2^47481136 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 47481136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48981240).

47481136 is an abundant number, since it is smaller than the sum of its proper divisors (50481344).

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

47481136 is a wasteful number, since it uses less digits than its factorization.

47481136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1015 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 47481136 is about 6890.6557017457. The cubic root of 47481136 is about 362.1098737529.

The spelling of 47481136 in words is "forty-seven million, four hundred eighty-one thousand, one hundred thirty-six".