47034720 has 144 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 12367872.

The previous prime is 47034697. The next prime is 47034727. The reversal of 47034720 is 2743074.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47034727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127977 + ... + 128343.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^47034720 is an apocalyptic number.

47034720 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 47034720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

47034720 is an abundant number, since it is smaller than the sum of its proper divisors (115716960).

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

47034720 is a wasteful number, since it uses less digits than its factorization.

47034720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 47034720 is about 6858.1863491742. The cubic root of 47034720 is about 360.9714502837.

Adding to 47034720 its reverse (2743074), we get a palindrome (49777794).

The spelling of 47034720 in words is "forty-seven million, thirty-four thousand, seven hundred twenty".