427329250 has 16 divisors (see below), whose sum is σ = 799960824. Its totient is φ = 170931600.

The previous prime is 427329241. The next prime is 427329251. The reversal of 427329250 is 52923724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21427641 + 405901609 = 4629^2 + 20147^2 .

It is a super-2 number, since 2×427329250² = 365220575811125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427329251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854409 + ... + 854908.

Almost surely, 2^427329250 is an apocalyptic number.

427329250 is a deficient number, since it is larger than the sum of its proper divisors (372631574).

427329250 is a wasteful number, since it uses less digits than its factorization.

427329250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709334 (or 1709324 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 427329250 is about 20671.9435467495. The cubic root of 427329250 is about 753.2183182978.

The spelling of 427329250 in words is "four hundred twenty-seven million, three hundred twenty-nine thousand, two hundred fifty".