427426842 has 8 divisors (see below), whose sum is σ = 854853696. Its totient is φ = 142475612.

The previous prime is 427426829. The next prime is 427426859. The reversal of 427426842 is 248624724.

It is a sphenic number, since it is the product of 3 distinct primes.

427426842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 427426842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35618898 + ... + 35618909.

It is an arithmetic number, because the mean of its divisors is an integer number (106856712).

Almost surely, 2^427426842 is an apocalyptic number.

427426842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

427426842 is a wasteful number, since it uses less digits than its factorization.

427426842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71237812.

The product of its digits is 172032, while the sum is 39.

The square root of 427426842 is about 20674.3039060569. The cubic root of 427426842 is about 753.2756530789.

The spelling of 427426842 in words is "four hundred twenty-seven million, four hundred twenty-six thousand, eight hundred forty-two".