7678671 has 32 divisors (see below), whose sum is σ = 13751808. Its totient is φ = 3680640.

The previous prime is 7678667. The next prime is 7678681. The reversal of 7678671 is 1768767.

It is not a de Polignac number, because 7678671 - 2² = 7678667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7678621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1725 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (429744).

Almost surely, 2^7678671 is an apocalyptic number.

7678671 is a deficient number, since it is larger than the sum of its proper divisors (6073137).

7678671 is a wasteful number, since it uses less digits than its factorization.

7678671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its digits is 98784, while the sum is 42.

The square root of 7678671 is about 2771.0415009523. The cubic root of 7678671 is about 197.2855847488.

The spelling of 7678671 in words is "seven million, six hundred seventy-eight thousand, six hundred seventy-one".