7671685 has 24 divisors (see below), whose sum is σ = 10830456. Its totient is φ = 5201280.

The previous prime is 7671679. The next prime is 7671721. The reversal of 7671685 is 5861767.

It can be written as a sum of positive squares in 4 ways, for example, as 370881 + 7300804 = 609^2 + 2702^2 .

It is not a de Polignac number, because 7671685 - 2¹⁹ = 7147397 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42295 + ... + 42475.

It is an arithmetic number, because the mean of its divisors is an integer number (451269).

Almost surely, 2^7671685 is an apocalyptic number.

It is an amenable number.

7671685 is a deficient number, since it is larger than the sum of its proper divisors (3158771).

7671685 is a wasteful number, since it uses less digits than its factorization.

7671685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 366 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 7671685 is about 2769.7806772378. The cubic root of 7671685 is about 197.2257369237.

The spelling of 7671685 in words is "seven million, six hundred seventy-one thousand, six hundred eighty-five".