6677990 has 24 divisors (see below), whose sum is σ = 13214880. Its totient is φ = 2427920.

The previous prime is 6677971. The next prime is 6678017. The reversal of 6677990 is 997766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1550 + ... + 3969.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 2^6677990 is an apocalyptic number.

6677990 is a deficient number, since it is larger than the sum of its proper divisors (6536890).

6677990 is a wasteful number, since it uses less digits than its factorization.

6677990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548 (or 5537 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6677990 is about 2584.1807212345. The cubic root of 6677990 is about 188.3137021506.

It can be divided in two parts, 6677 and 990, that added together give a palindrome (7667).

The spelling of 6677990 in words is "six million, six hundred seventy-seven thousand, nine hundred ninety".