3077280 has 72 divisors (see below), whose sum is σ = 10506132. Its totient is φ = 820224.

The previous prime is 3077279. The next prime is 3077281. The reversal of 3077280 is 827703.

3077280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3077279) and next prime (3077281).

It can be written as a sum of positive squares in 2 ways, for example, as 2702736 + 374544 = 1644^2 + 612^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (3077281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372 + ... + 2508.

Almost surely, 2^3077280 is an apocalyptic number.

3077280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3077280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5253066).

3077280 is an abundant number, since it is smaller than the sum of its proper divisors (7428852).

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

3077280 is a wasteful number, since it uses less digits than its factorization.

3077280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 3077280 is about 1754.2177743940. The cubic root of 3077280 is about 145.4528844507.

The spelling of 3077280 in words is "three million, seventy-seven thousand, two hundred eighty".