427501332 has 18 divisors (see below), whose sum is σ = 1080628458. Its totient is φ = 142500432.

The previous prime is 427501307. The next prime is 427501337. The reversal of 427501332 is 233105724.

It can be written as a sum of positive squares in only one way, i.e., 427496976 + 4356 = 20676^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×427501332³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 427501296 and 427501305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427501337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5937483 + ... + 5937554.

Almost surely, 2^427501332 is an apocalyptic number.

It is an amenable number.

427501332 is an abundant number, since it is smaller than the sum of its proper divisors (653127126).

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

427501332 is a wasteful number, since it uses less digits than its factorization.

427501332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875047 (or 11875042 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 427501332 is about 20676.1053392557. The cubic root of 427501332 is about 753.3194096851.

The spelling of 427501332 in words is "four hundred twenty-seven million, five hundred one thousand, three hundred thirty-two".