47421968 has 40 divisors (see below), whose sum is σ = 101633376. Its totient is φ = 21254400.

The previous prime is 47421961. The next prime is 47421973. The reversal of 47421968 is 86912474.

It is not an unprimeable number, because it can be changed into a prime (47421961) 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 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 14693.

Almost surely, 2^47421968 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 47421968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50816688).

47421968 is an abundant number, since it is smaller than the sum of its proper divisors (54211408).

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

47421968 is a wasteful number, since it uses less digits than its factorization.

47421968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3777 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 47421968 is about 6886.3610129008. The cubic root of 47421968 is about 361.9593983950.

The spelling of 47421968 in words is "forty-seven million, four hundred twenty-one thousand, nine hundred sixty-eight".