427426975 has 24 divisors (see below), whose sum is σ = 542309040. Its totient is φ = 334080000.

The previous prime is 427426973. The next prime is 427426991. The reversal of 427426975 is 579624724.

It is a happy number.

It is not a de Polignac number, because 427426975 - 2¹ = 427426973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427426973) 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, 266175 + ... + 267775.

It is an arithmetic number, because the mean of its divisors is an integer number (22596210).

Almost surely, 2^427426975 is an apocalyptic number.

427426975 is a deficient number, since it is larger than the sum of its proper divisors (114882065).

427426975 is a wasteful number, since it uses less digits than its factorization.

427426975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1846 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 427426975 is about 20674.3071226099. The cubic root of 427426975 is about 753.2757312097.

The spelling of 427426975 in words is "four hundred twenty-seven million, four hundred twenty-six thousand, nine hundred seventy-five".