7680618 has 24 divisors (see below), whose sum is σ = 18154656. Its totient is φ = 2327400.

The previous prime is 7680613. The next prime is 7680637. The reversal of 7680618 is 8160867.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7680613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19198 + ... + 19593.

It is an arithmetic number, because the mean of its divisors is an integer number (756444).

Almost surely, 2^7680618 is an apocalyptic number.

7680618 is an abundant number, since it is smaller than the sum of its proper divisors (10474038).

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

7680618 is a wasteful number, since it uses less digits than its factorization.

7680618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38810 (or 38807 counting only the distinct ones).

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

The square root of 7680618 is about 2771.3927906379. The cubic root of 7680618 is about 197.3022578846.

Subtracting 7680618 from its reverse (8160867), we obtain a square (480249 = 693²).

It can be divided in two parts, 7 and 680618, that added together give a square (680625 = 825²).

The spelling of 7680618 in words is "seven million, six hundred eighty thousand, six hundred eighteen".