427326172 has 48 divisors (see below), whose sum is σ = 945300160. Its totient is φ = 164477952.

The previous prime is 427326157. The next prime is 427326173. The reversal of 427326172 is 271623724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427326173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397 + ... + 29332.

Almost surely, 2^427326172 is an apocalyptic number.

It is an amenable number.

427326172 is an abundant number, since it is smaller than the sum of its proper divisors (517973988).

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

427326172 is a wasteful number, since it uses less digits than its factorization.

427326172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790 (or 31788 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 427326172 is about 20671.8690978828. The cubic root of 427326172 is about 753.2165098472.

Adding to 427326172 its reverse (271623724), we get a palindrome (698949896).

The spelling of 427326172 in words is "four hundred twenty-seven million, three hundred twenty-six thousand, one hundred seventy-two".