7688670 has 64 divisors (see below), whose sum is σ = 21026304. Its totient is φ = 1781120.

The previous prime is 7688663. The next prime is 7688671. The reversal of 7688670 is 768867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7688671) 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, 7084 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (328536).

Almost surely, 2^7688670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7688670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10513152).

7688670 is an abundant number, since it is smaller than the sum of its proper divisors (13337634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7688670 is a wasteful number, since it uses less digits than its factorization.

7688670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 7688670 is about 2772.8451092695. The cubic root of 7688670 is about 197.3711812854.

The spelling of 7688670 in words is "seven million, six hundred eighty-eight thousand, six hundred seventy".