427602717 has 12 divisors (see below), whose sum is σ = 653980860. Its totient is φ = 268299648.

The previous prime is 427602713. The next prime is 427602727. The reversal of 427602717 is 717206724.

It is a happy number.

427602717 is a `hidden beast` number, since 42 + 7 + 602 + 7 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 178783641 + 248819076 = 13371^2 + 15774^2 .

It is not a de Polignac number, because 427602717 - 2² = 427602713 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427602713) 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 11 ways as a sum of consecutive naturals, for example, 1397242 + ... + 1397547.

It is an arithmetic number, because the mean of its divisors is an integer number (54498405).

Almost surely, 2^427602717 is an apocalyptic number.

It is an amenable number.

427602717 is a deficient number, since it is larger than the sum of its proper divisors (226378143).

427602717 is a wasteful number, since it uses less digits than its factorization.

427602717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794812 (or 2794809 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 427602717 is about 20678.5569370786. The cubic root of 427602717 is about 753.3789566743.

The spelling of 427602717 in words is "four hundred twenty-seven million, six hundred two thousand, seven hundred seventeen".