427412660 has 12 divisors (see below), whose sum is σ = 897566628. Its totient is φ = 170965056.

The previous prime is 427412651. The next prime is 427412663. The reversal of 427412660 is 66214724.

It can be written as a sum of positive squares in 2 ways, for example, as 243484816 + 183927844 = 15604^2 + 13562^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427412663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10685297 + ... + 10685336.

It is an arithmetic number, because the mean of its divisors is an integer number (74797219).

Almost surely, 2^427412660 is an apocalyptic number.

It is an amenable number.

427412660 is an abundant number, since it is smaller than the sum of its proper divisors (470153968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427412660 is a wasteful number, since it uses less digits than its factorization.

427412660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21370642 (or 21370640 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 427412660 is about 20673.9609170570. The cubic root of 427412660 is about 753.2673217713.

The spelling of 427412660 in words is "four hundred twenty-seven million, four hundred twelve thousand, six hundred sixty".