768618 has 12 divisors (see below), whose sum is σ = 1665378. Its totient is φ = 256200.

The previous prime is 768613. The next prime is 768623. The reversal of 768618 is 816867.

It is an interprime number because it is at equal distance from previous prime (768613) and next prime (768623).

It can be written as a sum of positive squares in only one way, i.e., 480249 + 288369 = 693^2 + 537^2 .

It is not an unprimeable number, because it can be changed into a prime (768613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21333 + ... + 21368.

2⁷⁶⁸⁶¹⁸ is an apocalyptic number.

768618 is an abundant number, since it is smaller than the sum of its proper divisors (896760).

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

768618 is a wasteful number, since it uses less digits than its factorization.

768618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42709 (or 42706 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 768618 is about 876.7086175007. The cubic root of 768618 is about 91.6016964783.

The spelling of 768618 in words is "seven hundred sixty-eight thousand, six hundred eighteen".