47161968 has 40 divisors (see below), whose sum is σ = 139241088. Its totient is φ = 13474752.

The previous prime is 47161951. The next prime is 47161993. The reversal of 47161968 is 86916174.

47161968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69846 + ... + 70517.

Almost surely, 2^47161968 is an apocalyptic number.

47161968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47161968 is an abundant number, since it is smaller than the sum of its proper divisors (92079120).

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

47161968 is a wasteful number, since it uses less digits than its factorization.

47161968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140381 (or 140375 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 47161968 is about 6867.4571713262. The cubic root of 47161968 is about 361.2966819061.

The spelling of 47161968 in words is "forty-seven million, one hundred sixty-one thousand, nine hundred sixty-eight".