47313420 has 288 divisors, whose sum is σ = 178752000. Its totient is φ = 9313920.

The previous prime is 47313419. The next prime is 47313421. The reversal of 47313420 is 2431374.

It is an interprime number because it is at equal distance from previous prime (47313419) and next prime (47313421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47313421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2490171 + ... + 2490189.

Almost surely, 2^47313420 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 47313420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89376000).

47313420 is an abundant number, since it is smaller than the sum of its proper divisors (131438580).

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

47313420 is a wasteful number, since it uses less digits than its factorization.

47313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 47313420 is about 6878.4751217112. The cubic root of 47313420 is about 361.6830146385.

Adding to 47313420 its reverse (2431374), we get a palindrome (49744794).

The spelling of 47313420 in words is "forty-seven million, three hundred thirteen thousand, four hundred twenty".