427724356 has 6 divisors (see below), whose sum is σ = 748517630. Its totient is φ = 213862176.

The previous prime is 427724351. The next prime is 427724359. The reversal of 427724356 is 653427724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 339664900 + 88059456 = 18430^2 + 9384^2 .

It is a super-2 number, since 2×427724356² = 365896249431229472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427724351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53465541 + ... + 53465548.

Almost surely, 2^427724356 is an apocalyptic number.

It is an amenable number.

427724356 is a deficient number, since it is larger than the sum of its proper divisors (320793274).

427724356 is a wasteful number, since it uses less digits than its factorization.

427724356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106931093 (or 106931091 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 427724356 is about 20681.4979148030. The cubic root of 427724356 is about 753.4503871330.

The spelling of 427724356 in words is "four hundred twenty-seven million, seven hundred twenty-four thousand, three hundred fifty-six".