427202045 has 8 divisors (see below), whose sum is σ = 530319960. Its totient is φ = 329976640.

The previous prime is 427202029. The next prime is 427202053. The reversal of 427202045 is 540202724.

It can be written as a sum of positive squares in 4 ways, for example, as 5597956 + 421604089 = 2366^2 + 20533^2 .

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

It is not a de Polignac number, because 427202045 - 2⁴ = 427202029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1472966 + ... + 1473255.

It is an arithmetic number, because the mean of its divisors is an integer number (66289995).

Almost surely, 2^427202045 is an apocalyptic number.

It is an amenable number.

427202045 is a deficient number, since it is larger than the sum of its proper divisors (103117915).

427202045 is a wasteful number, since it uses less digits than its factorization.

427202045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946255.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 427202045 is about 20668.8665630218. The cubic root of 427202045 is about 753.1435729309.

Adding to 427202045 its reverse (540202724), we get a palindrome (967404769).

The spelling of 427202045 in words is "four hundred twenty-seven million, two hundred two thousand, forty-five".