427334634 has 24 divisors (see below), whose sum is σ = 927999072. Its totient is φ = 142120680.

The previous prime is 427334603. The next prime is 427334639. The reversal of 427334634 is 436433724.

It is a super-2 number, since 2×427334634² = 365229778831827912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427334639) 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 11 ways as a sum of consecutive naturals, for example, 18822 + ... + 34769.

It is an arithmetic number, because the mean of its divisors is an integer number (38666628).

Almost surely, 2^427334634 is an apocalyptic number.

427334634 is an abundant number, since it is smaller than the sum of its proper divisors (500664438).

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

427334634 is a wasteful number, since it uses less digits than its factorization.

427334634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54042 (or 54039 counting only the distinct ones).

The product of its digits is 145152, while the sum is 36.

The square root of 427334634 is about 20672.0737711532. The cubic root of 427334634 is about 753.2214815967.

The spelling of 427334634 in words is "four hundred twenty-seven million, three hundred thirty-four thousand, six hundred thirty-four".