7668550 has 12 divisors (see below), whose sum is σ = 14263596. Its totient is φ = 3067400.

The previous prime is 7668541. The next prime is 7668559. The reversal of 7668550 is 558667.

It is an interprime number because it is at equal distance from previous prime (7668541) and next prime (7668559).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668559) 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, 76636 + ... + 76735.

It is an arithmetic number, because the mean of its divisors is an integer number (1188633).

Almost surely, 2^7668550 is an apocalyptic number.

7668550 is a deficient number, since it is larger than the sum of its proper divisors (6595046).

7668550 is a wasteful number, since it uses less digits than its factorization.

7668550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153383 (or 153378 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 7668550 is about 2769.2146901243. The cubic root of 7668550 is about 197.1988681230.

It can be divided in two parts, 766 and 8550, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 7668550 in words is "seven million, six hundred sixty-eight thousand, five hundred fifty".