427420495 has 4 divisors (see below), whose sum is σ = 512904600. Its totient is φ = 341936392.

The previous prime is 427420481. The next prime is 427420507. The reversal of 427420495 is 594024724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427420495 is a prime.

It is a super-3 number, since 3×427420495³ (a number of 27 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 42742045 + ... + 42742054.

It is an arithmetic number, because the mean of its divisors is an integer number (128226150).

Almost surely, 2^427420495 is an apocalyptic number.

427420495 is a deficient number, since it is larger than the sum of its proper divisors (85484105).

427420495 is an equidigital number, since it uses as much as digits as its factorization.

427420495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85484104.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 427420495 is about 20674.1504057603. The cubic root of 427420495 is about 753.2719245155.

The spelling of 427420495 in words is "four hundred twenty-seven million, four hundred twenty thousand, four hundred ninety-five".