427972 has 6 divisors (see below), whose sum is σ = 748958. Its totient is φ = 213984.

The previous prime is 427969. The next prime is 427991. The reversal of 427972 is 279724.

It is a happy number.

427972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 256 = 654^2 + 16^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53493 + ... + 53500.

2⁴²⁷⁹⁷² is an apocalyptic number.

It is an amenable number.

427972 is a deficient number, since it is larger than the sum of its proper divisors (320986).

427972 is a wasteful number, since it uses less digits than its factorization.

427972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106997 (or 106995 counting only the distinct ones).

The product of its digits is 7056, while the sum is 31.

The square root of 427972 is about 654.1956893774. The cubic root of 427972 is about 75.3595770070.

The spelling of 427972 in words is "four hundred twenty-seven thousand, nine hundred seventy-two".