427734312 has 64 divisors (see below), whose sum is σ = 1126224000. Its totient is φ = 135108864.

The previous prime is 427734301. The next prime is 427734341. The reversal of 427734312 is 213437724.

It is a super-2 number, since 2×427734312² = 365913283324226688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56614 + ... + 63722.

It is an arithmetic number, because the mean of its divisors is an integer number (17597250).

Almost surely, 2^427734312 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 427734312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563112000).

427734312 is an abundant number, since it is smaller than the sum of its proper divisors (698489688).

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

427734312 is a wasteful number, since it uses less digits than its factorization.

427734312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250 (or 7246 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 427734312 is about 20681.7386116351. The cubic root of 427734312 is about 753.4562330271.

The spelling of 427734312 in words is "four hundred twenty-seven million, seven hundred thirty-four thousand, three hundred twelve".