7678714 has 8 divisors (see below), whose sum is σ = 11637108. Its totient is φ = 3799680.

The previous prime is 7678709. The next prime is 7678733. The reversal of 7678714 is 4178767.

It can be written as a sum of positive squares in 2 ways, for example, as 7645225 + 33489 = 2765^2 + 183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam 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, 19597 + ... + 19984.

Almost surely, 2^7678714 is an apocalyptic number.

7678714 is a deficient number, since it is larger than the sum of its proper divisors (3958394).

7678714 is a wasteful number, since it uses less digits than its factorization.

7678714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39680.

The product of its digits is 65856, while the sum is 40.

The square root of 7678714 is about 2771.0492597570. The cubic root of 7678714 is about 197.2859530097.

The spelling of 7678714 in words is "seven million, six hundred seventy-eight thousand, seven hundred fourteen".