47214720 has 192 divisors, whose sum is σ = 186488640. Its totient is φ = 10782720.

The previous prime is 47214709. The next prime is 47214737. The reversal of 47214720 is 2741274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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, 39735 + ... + 40905.

It is an arithmetic number, because the mean of its divisors is an integer number (971295).

Almost surely, 2^47214720 is an apocalyptic number.

47214720 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 47214720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93244320).

47214720 is an abundant number, since it is smaller than the sum of its proper divisors (139273920).

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

47214720 is a wasteful number, since it uses less digits than its factorization.

47214720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 47214720 is about 6871.2968208338. The cubic root of 47214720 is about 361.4313385778.

Adding to 47214720 its reverse (2741274), we get a palindrome (49955994).

The spelling of 47214720 in words is "forty-seven million, two hundred fourteen thousand, seven hundred twenty".