7740668 has 12 divisors (see below), whose sum is σ = 14588280. Its totient is φ = 3572592.

The previous prime is 7740653. The next prime is 7740671. The reversal of 7740668 is 8660477.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74378 + ... + 74481.

It is an arithmetic number, because the mean of its divisors is an integer number (1215690).

Almost surely, 2^7740668 is an apocalyptic number.

It is an amenable number.

7740668 is a deficient number, since it is larger than the sum of its proper divisors (6847612).

7740668 is a wasteful number, since it uses less digits than its factorization.

7740668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148876 (or 148874 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 7740668 is about 2782.2055998793. The cubic root of 7740668 is about 197.8151183780.

The spelling of 7740668 in words is "seven million, seven hundred forty thousand, six hundred sixty-eight".