427057172 has 6 divisors (see below), whose sum is σ = 747350058. Its totient is φ = 213528584.

The previous prime is 427057159. The next prime is 427057207. The reversal of 427057172 is 271750724.

It can be written as a sum of positive squares in only one way, i.e., 295358596 + 131698576 = 17186^2 + 11476^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53382143 + ... + 53382150.

It is an arithmetic number, because the mean of its divisors is an integer number (124558343).

Almost surely, 2^427057172 is an apocalyptic number.

It is an amenable number.

427057172 is a deficient number, since it is larger than the sum of its proper divisors (320292886).

427057172 is a wasteful number, since it uses less digits than its factorization.

427057172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106764297 (or 106764295 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 427057172 is about 20665.3616469686. The cubic root of 427057172 is about 753.0584278133.

The spelling of 427057172 in words is "four hundred twenty-seven million, fifty-seven thousand, one hundred seventy-two".