427492645 has 8 divisors (see below), whose sum is σ = 513102456. Its totient is φ = 341919936.

The previous prime is 427492643. The next prime is 427492657. The reversal of 427492645 is 546294724.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 427372929 = 346^2 + 20673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427492645 - 2¹ = 427492643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427492643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37879 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (64137807).

Almost surely, 2^427492645 is an apocalyptic number.

It is an amenable number.

427492645 is a deficient number, since it is larger than the sum of its proper divisors (85609811).

427492645 is an equidigital number, since it uses as much as digits as its factorization.

427492645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551.

The product of its digits is 483840, while the sum is 43.

The square root of 427492645 is about 20675.8952647763. The cubic root of 427492645 is about 753.3143070655.

The spelling of 427492645 in words is "four hundred twenty-seven million, four hundred ninety-two thousand, six hundred forty-five".