6620692 has 12 divisors (see below), whose sum is σ = 12477556. Its totient is φ = 3055680.

The previous prime is 6620689. The next prime is 6620693. The reversal of 6620692 is 2960266.

It can be written as a sum of positive squares in 2 ways, for example, as 3944196 + 2676496 = 1986^2 + 1636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63609 + ... + 63712.

Almost surely, 2^6620692 is an apocalyptic number.

It is an amenable number.

6620692 is a deficient number, since it is larger than the sum of its proper divisors (5856864).

6620692 is a wasteful number, since it uses less digits than its factorization.

6620692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127338 (or 127336 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6620692 is about 2573.0705392585. The cubic root of 6620692 is about 187.7735692511.

The spelling of 6620692 in words is "six million, six hundred twenty thousand, six hundred ninety-two".