7768020 has 96 divisors (see below), whose sum is σ = 24498432. Its totient is φ = 1824768.

The previous prime is 7768001. The next prime is 7768049. The reversal of 7768020 is 208677.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17724 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (255192).

Almost surely, 2^7768020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7768020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12249216).

7768020 is an abundant number, since it is smaller than the sum of its proper divisors (16730412).

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

7768020 is a wasteful number, since it uses less digits than its factorization.

7768020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7768020 is about 2787.1167898027. The cubic root of 7768020 is about 198.0478406998.

The spelling of 7768020 in words is "seven million, seven hundred sixty-eight thousand, twenty".