427159728 has 60 divisors (see below), whose sum is σ = 1198254408. Its totient is φ = 142053120.

The previous prime is 427159699. The next prime is 427159739. The reversal of 427159728 is 827951724.

It is a happy number.

427159728 is a `hidden beast` number, since 427 + 159 + 72 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62563 + ... + 69053.

Almost surely, 2^427159728 is an apocalyptic number.

427159728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

427159728 is an abundant number, since it is smaller than the sum of its proper divisors (771094680).

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

427159728 is a wasteful number, since it uses less digits than its factorization.

427159728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962 (or 6953 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 427159728 is about 20667.8428482510. The cubic root of 427159728 is about 753.1187042695.

The spelling of 427159728 in words is "four hundred twenty-seven million, one hundred fifty-nine thousand, seven hundred twenty-eight".