427531700 has 72 divisors (see below), whose sum is σ = 950564160. Its totient is φ = 166854400.

The previous prime is 427531697. The next prime is 427531721. The reversal of 427531700 is 7135724.

It is a congruent number.

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, 1374545 + ... + 1374855.

It is an arithmetic number, because the mean of its divisors is an integer number (13202280).

Almost surely, 2^427531700 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 427531700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475282080).

427531700 is an abundant number, since it is smaller than the sum of its proper divisors (523032460).

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

427531700 is a wasteful number, since it uses less digits than its factorization.

427531700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 427531700 is about 20676.8397004958. The cubic root of 427531700 is about 753.3372468710.

The spelling of 427531700 in words is "four hundred twenty-seven million, five hundred thirty-one thousand, seven hundred".