7667985 has 16 divisors (see below), whose sum is σ = 13212864. Its totient is φ = 3774912.

The previous prime is 7667971. The next prime is 7667999. The reversal of 7667985 is 5897667.

It is an interprime number because it is at equal distance from previous prime (7667971) and next prime (7667999).

It is not a de Polignac number, because 7667985 - 2⁵ = 7667953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19467 + ... + 19856.

It is an arithmetic number, because the mean of its divisors is an integer number (825804).

Almost surely, 2^7667985 is an apocalyptic number.

It is an amenable number.

7667985 is a deficient number, since it is larger than the sum of its proper divisors (5544879).

7667985 is a wasteful number, since it uses less digits than its factorization.

7667985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39344.

The product of its digits is 635040, while the sum is 48.

The square root of 7667985 is about 2769.1126737639. The cubic root of 7667985 is about 197.1940249607.

The spelling of 7667985 in words is "seven million, six hundred sixty-seven thousand, nine hundred eighty-five".