47161488 has 80 divisors (see below), whose sum is σ = 133920000. Its totient is φ = 14183040.

The previous prime is 47161487. The next prime is 47161489. The reversal of 47161488 is 88416174.

It is an interprime number because it is at equal distance from previous prime (47161487) and next prime (47161489).

It is not an unprimeable number, because it can be changed into a prime (47161481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94263 + ... + 94761.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^47161488 is an apocalyptic number.

47161488 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 47161488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66960000).

47161488 is an abundant number, since it is smaller than the sum of its proper divisors (86758512).

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

47161488 is a wasteful number, since it uses less digits than its factorization.

47161488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 694 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 47161488 is about 6867.4222238042. The cubic root of 47161488 is about 361.2954561798.

The spelling of 47161488 in words is "forty-seven million, one hundred sixty-one thousand, four hundred eighty-eight".