427489575 has 24 divisors (see below), whose sum is σ = 724026576. Its totient is φ = 222432000.

The previous prime is 427489571. The next prime is 427489577. The reversal of 427489575 is 575984724.

It is a happy number.

It is not a de Polignac number, because 427489575 - 2² = 427489571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427489571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66436 + ... + 72585.

It is an arithmetic number, because the mean of its divisors is an integer number (30167774).

Almost surely, 2^427489575 is an apocalyptic number.

427489575 is a deficient number, since it is larger than the sum of its proper divisors (296537001).

427489575 is a wasteful number, since it uses less digits than its factorization.

427489575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139075 (or 139070 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The square root of 427489575 is about 20675.8210236015. The cubic root of 427489575 is about 753.3125037749.

The spelling of 427489575 in words is "four hundred twenty-seven million, four hundred eighty-nine thousand, five hundred seventy-five".