47345400 has 144 divisors (see below), whose sum is σ = 164665800. Its totient is φ = 12176640.

The previous prime is 47345387. The next prime is 47345407. The reversal of 47345400 is 454374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47345407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51747 + ... + 52653.

Almost surely, 2^47345400 is an apocalyptic number.

47345400 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 47345400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82332900).

47345400 is an abundant number, since it is smaller than the sum of its proper divisors (117320400).

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

47345400 is a wasteful number, since it uses less digits than its factorization.

47345400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 47345400 is about 6880.7993721660. The cubic root of 47345400 is about 361.7644856585.

Adding to 47345400 its reverse (454374), we get a palindrome (47799774).

The spelling of 47345400 in words is "forty-seven million, three hundred forty-five thousand, four hundred".