427442272 has 12 divisors (see below), whose sum is σ = 841527036. Its totient is φ = 213721120.

The previous prime is 427442263. The next prime is 427442293. The reversal of 427442272 is 272244724.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678754 + ... + 6678817.

It is an arithmetic number, because the mean of its divisors is an integer number (70127253).

Almost surely, 2^427442272 is an apocalyptic number.

It is an amenable number.

427442272 is a deficient number, since it is larger than the sum of its proper divisors (414084764).

427442272 is a wasteful number, since it uses less digits than its factorization.

427442272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357581 (or 13357573 counting only the distinct ones).

The product of its digits is 50176, while the sum is 34.

The square root of 427442272 is about 20674.6770712386. The cubic root of 427442272 is about 753.2847173228.

Adding to 427442272 its reverse (272244724), we get a palindrome (699686996).

The spelling of 427442272 in words is "four hundred twenty-seven million, four hundred forty-two thousand, two hundred seventy-two".