47724000 has 192 divisors, whose sum is σ = 161808192. Its totient is φ = 12288000.

The previous prime is 47723993. The next prime is 47724013. The reversal of 47724000 is 42774.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491952 + ... + 492048.

It is an arithmetic number, because the mean of its divisors is an integer number (842751).

Almost surely, 2^47724000 is an apocalyptic number.

47724000 is a gapful number since it is divisible by the number (40) 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 47724000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80904096).

47724000 is an abundant number, since it is smaller than the sum of its proper divisors (114084192).

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

47724000 is a wasteful number, since it uses less digits than its factorization.

47724000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 47724000 is about 6908.2559304067. The cubic root of 47724000 is about 362.7262163124.

Adding to 47724000 its reverse (42774), we get a palindrome (47766774).

The spelling of 47724000 in words is "forty-seven million, seven hundred twenty-four thousand".