427402617 has 4 divisors (see below), whose sum is σ = 569870160. Its totient is φ = 284935076.

The previous prime is 427402601. The next prime is 427402639. The reversal of 427402617 is 716204724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427402617 - 2⁴ = 427402601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427402817) 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 3 ways as a sum of consecutive naturals, for example, 71233767 + ... + 71233772.

It is an arithmetic number, because the mean of its divisors is an integer number (142467540).

Almost surely, 2^427402617 is an apocalyptic number.

It is an amenable number.

427402617 is a deficient number, since it is larger than the sum of its proper divisors (142467543).

427402617 is a wasteful number, since it uses less digits than its factorization.

427402617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142467542.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 427402617 is about 20673.7180255512. The cubic root of 427402617 is about 753.2614218346.

The spelling of 427402617 in words is "four hundred twenty-seven million, four hundred two thousand, six hundred seventeen".