427381700 has 72 divisors (see below), whose sum is σ = 1015950600. Its totient is φ = 155330560.

The previous prime is 427381693. The next prime is 427381727. The reversal of 427381700 is 7183724.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 65545216 + 361836484 = 8096^2 + 19022^2 .

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, 44966 + ... + 53634.

It is an arithmetic number, because the mean of its divisors is an integer number (14110425).

Almost surely, 2^427381700 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 427381700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507975300).

427381700 is an abundant number, since it is smaller than the sum of its proper divisors (588568900).

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

427381700 is a wasteful number, since it uses less digits than its factorization.

427381700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729 (or 8722 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 427381700 is about 20673.2121355149. The cubic root of 427381700 is about 753.2491334788.

The spelling of 427381700 in words is "four hundred twenty-seven million, three hundred eighty-one thousand, seven hundred".