7677220 has 48 divisors (see below), whose sum is σ = 16853760. Its totient is φ = 2935296.

The previous prime is 7677211. The next prime is 7677223. The reversal of 7677220 is 227767.

It is not an unprimeable number, because it can be changed into a prime (7677223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67884 + ... + 67996.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

Almost surely, 2^7677220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7677220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8426880).

7677220 is an abundant number, since it is smaller than the sum of its proper divisors (9176540).

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

7677220 is a wasteful number, since it uses less digits than its factorization.

7677220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 7677220 is about 2770.7796736659. The cubic root of 7677220 is about 197.2731572764.

The spelling of 7677220 in words is "seven million, six hundred seventy-seven thousand, two hundred twenty".