427274637 has 8 divisors (see below), whose sum is σ = 579355680. Its totient is φ = 280021680.

The previous prime is 427274629. The next prime is 427274669. The reversal of 427274637 is 736472724.

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

It is not a de Polignac number, because 427274637 - 2³ = 427274629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427274437) by changing a digit.

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, 1206814 + ... + 1207167.

It is an arithmetic number, because the mean of its divisors is an integer number (72419460).

Almost surely, 2^427274637 is an apocalyptic number.

It is an amenable number.

427274637 is a deficient number, since it is larger than the sum of its proper divisors (152081043).

427274637 is a wasteful number, since it uses less digits than its factorization.

427274637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414043.

The product of its digits is 395136, while the sum is 42.

The square root of 427274637 is about 20670.6225595651. The cubic root of 427274637 is about 753.1862296413.

The spelling of 427274637 in words is "four hundred twenty-seven million, two hundred seventy-four thousand, six hundred thirty-seven".