7660685 has 8 divisors (see below), whose sum is σ = 9343896. Its totient is φ = 6027840.

The previous prime is 7660649. The next prime is 7660699. The reversal of 7660685 is 5860667.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 7628644 = 179^2 + 2762^2 .

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

It is not a de Polignac number, because 7660685 - 2⁶ = 7660621 is a prime.

It is a super-3 number, since 3×7660685³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12254 + ... + 12863.

It is an arithmetic number, because the mean of its divisors is an integer number (1167987).

Almost surely, 2^7660685 is an apocalyptic number.

It is an amenable number.

7660685 is a deficient number, since it is larger than the sum of its proper divisors (1683211).

7660685 is a wasteful number, since it uses less digits than its factorization.

7660685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25183.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 7660685 is about 2767.7942481333. The cubic root of 7660685 is about 197.1314281839.

The spelling of 7660685 in words is "seven million, six hundred sixty thousand, six hundred eighty-five".