7666368 has 28 divisors (see below), whose sum is σ = 20284440. Its totient is φ = 2555392.

The previous prime is 7666357. The next prime is 7666381. The reversal of 7666368 is 8636667.

It is a super-2 number, since 2×7666368² = 117546396622848, which contains 22 as substring.

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, 19773 + ... + 20156.

Almost surely, 2^7666368 is an apocalyptic number.

It is an amenable number.

7666368 is an abundant number, since it is smaller than the sum of its proper divisors (12618072).

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

7666368 is a wasteful number, since it uses less digits than its factorization.

7666368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39944 (or 39934 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 7666368 is about 2768.8206875852. The cubic root of 7666368 is about 197.1801627724.

Subtracting 7666368 from its reverse (8636667), we obtain a cube (970299 = 99³).

The spelling of 7666368 in words is "seven million, six hundred sixty-six thousand, three hundred sixty-eight".