7077220 has 24 divisors (see below), whose sum is σ = 15108408. Its totient is φ = 2784000.

The previous prime is 7077211. The next prime is 7077221. The reversal of 7077220 is 227707.

It can be written as a sum of positive squares in 4 ways, for example, as 817216 + 6260004 = 904^2 + 2502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7077221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1681 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (629517).

Almost surely, 2^7077220 is an apocalyptic number.

It is an amenable number.

7077220 is an abundant number, since it is smaller than the sum of its proper divisors (8031188).

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

7077220 is a wasteful number, since it uses less digits than its factorization.

7077220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5871 (or 5869 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 7077220 is about 2660.3044938503. The cubic root of 7077220 is about 191.9939595901.

The spelling of 7077220 in words is "seven million, seventy-seven thousand, two hundred twenty".