7740768 has 48 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 2211456.

The previous prime is 7740757. The next prime is 7740773. The reversal of 7740768 is 8670477.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (483840).

Almost surely, 2^7740768 is an apocalyptic number.

It is an amenable number.

7740768 is an abundant number, since it is smaller than the sum of its proper divisors (15483552).

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

7740768 is a wasteful number, since it uses less digits than its factorization.

7740768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11539 (or 11531 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 7740768 is about 2782.2235711747. The cubic root of 7740768 is about 197.8159702178.

The spelling of 7740768 in words is "seven million, seven hundred forty thousand, seven hundred sixty-eight".