47421024 has 144 divisors (see below), whose sum is σ = 153579888. Its totient is φ = 12730368.

The previous prime is 47421001. The next prime is 47421047. The reversal of 47421024 is 42012474.

It is an interprime number because it is at equal distance from previous prime (47421001) and next prime (47421047).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 47420985 and 47421003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79672 + ... + 80264.

It is an arithmetic number, because the mean of its divisors is an integer number (1066527).

Almost surely, 2^47421024 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 47421024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76789944).

47421024 is an abundant number, since it is smaller than the sum of its proper divisors (106158864).

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

47421024 is a wasteful number, since it uses less digits than its factorization.

47421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 47421024 is about 6886.2924712794. The cubic root of 47421024 is about 361.9569966112.

Adding to 47421024 its reverse (42012474), we get a palindrome (89433498).

The spelling of 47421024 in words is "forty-seven million, four hundred twenty-one thousand, twenty-four".