7940168 has 8 divisors (see below), whose sum is σ = 14887830. Its totient is φ = 3970080.

The previous prime is 7940159. The next prime is 7940197. The reversal of 7940168 is 8610497.

It can be written as a sum of positive squares in only one way, i.e., 4919524 + 3020644 = 2218^2 + 1738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496253 + ... + 496268.

Almost surely, 2^7940168 is an apocalyptic number.

It is an amenable number.

7940168 is a deficient number, since it is larger than the sum of its proper divisors (6947662).

7940168 is a wasteful number, since it uses less digits than its factorization.

7940168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992527 (or 992523 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7940168 is about 2817.8303710479. The cubic root of 7940168 is about 199.5001517996.

The spelling of 7940168 in words is "seven million, nine hundred forty thousand, one hundred sixty-eight".