47427400 has 24 divisors (see below), whose sum is σ = 110269170. Its totient is φ = 18970880.

The previous prime is 47427379. The next prime is 47427407. The reversal of 47427400 is 472474.

It can be written as a sum of positive squares in 3 ways, for example, as 43322724 + 4104676 = 6582^2 + 2026^2 .

It is not an unprimeable number, because it can be changed into a prime (47427407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118369 + ... + 118768.

Almost surely, 2^47427400 is an apocalyptic number.

47427400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47427400 is an abundant number, since it is smaller than the sum of its proper divisors (62841770).

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

47427400 is a wasteful number, since it uses less digits than its factorization.

47427400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237153 (or 237144 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47427400 is about 6886.7554043976. The cubic root of 47427400 is about 361.9732182093.

Adding to 47427400 its reverse (472474), we get a palindrome (47899874).

The spelling of 47427400 in words is "forty-seven million, four hundred twenty-seven thousand, four hundred".