427322345 has 8 divisors (see below), whose sum is σ = 518073864. Its totient is φ = 338333184.

The previous prime is 427322339. The next prime is 427322351. The reversal of 427322345 is 543223724.

It is an interprime number because it is at equal distance from previous prime (427322339) and next prime (427322351).

It can be written as a sum of positive squares in 4 ways, for example, as 2096704 + 425225641 = 1448^2 + 20621^2 .

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 427322345 - 2⁶ = 427322281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440054 + ... + 441023.

It is an arithmetic number, because the mean of its divisors is an integer number (64759233).

Almost surely, 2^427322345 is an apocalyptic number.

It is an amenable number.

427322345 is a deficient number, since it is larger than the sum of its proper divisors (90751519).

427322345 is an equidigital number, since it uses as much as digits as its factorization.

427322345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881179.

The product of its digits is 40320, while the sum is 32.

The square root of 427322345 is about 20671.7765322674. The cubic root of 427322345 is about 753.2142613164.

The spelling of 427322345 in words is "four hundred twenty-seven million, three hundred twenty-two thousand, three hundred forty-five".