7771068 has 18 divisors (see below), whose sum is σ = 19643624. Its totient is φ = 2590344.

The previous prime is 7771063. The next prime is 7771081. The reversal of 7771068 is 8601777.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 215863 = 7771068 / (7 + 7 + 7 + 1 + 0 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7771061) 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, 107896 + ... + 107967.

Almost surely, 2^7771068 is an apocalyptic number.

It is an amenable number.

7771068 is an abundant number, since it is smaller than the sum of its proper divisors (11872556).

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

7771068 is a wasteful number, since it uses less digits than its factorization.

7771068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215873 (or 215868 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 7771068 is about 2787.6635378037. The cubic root of 7771068 is about 198.0737405165.

The spelling of 7771068 in words is "seven million, seven hundred seventy-one thousand, sixty-eight".