7706940 has 24 divisors (see below), whose sum is σ = 21579600. Its totient is φ = 2055168.

The previous prime is 7706929. The next prime is 7707023. The reversal of 7706940 is 496077.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64165 + ... + 64284.

It is an arithmetic number, because the mean of its divisors is an integer number (899150).

Almost surely, 2^7706940 is an apocalyptic number.

It is an amenable number.

7706940 is an abundant number, since it is smaller than the sum of its proper divisors (13872660).

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

7706940 is a wasteful number, since it uses less digits than its factorization.

7706940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128461 (or 128459 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 7706940 is about 2776.1376046587. The cubic root of 7706940 is about 197.5273903154.

It can be divided in two parts, 7706 and 940, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 7706940 in words is "seven million, seven hundred six thousand, nine hundred forty".