427750132 has 6 divisors (see below), whose sum is σ = 748562738. Its totient is φ = 213875064.

The previous prime is 427750129. The next prime is 427750133. The reversal of 427750132 is 231057724.

It can be written as a sum of positive squares in only one way, i.e., 377680356 + 50069776 = 19434^2 + 7076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427750094 and 427750103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427750133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53468763 + ... + 53468770.

Almost surely, 2^427750132 is an apocalyptic number.

It is an amenable number.

427750132 is a deficient number, since it is larger than the sum of its proper divisors (320812606).

427750132 is a wasteful number, since it uses less digits than its factorization.

427750132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106937537 (or 106937535 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 427750132 is about 20682.1210711087. The cubic root of 427750132 is about 753.4655219169.

The spelling of 427750132 in words is "four hundred twenty-seven million, seven hundred fifty thousand, one hundred thirty-two".