3073280 has 90 divisors (see below), whose sum is σ = 8587866. Its totient is φ = 1053696.

The previous prime is 3073271. The next prime is 3073289. The reversal of 3073280 is 823703.

It is an interprime number because it is at equal distance from previous prime (3073271) and next prime (3073289).

It can be written as a sum of positive squares in only one way, i.e., 2458624 + 614656 = 1568^2 + 784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3073289) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 439037 + ... + 439043.

Almost surely, 2^3073280 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 3073280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4293933).

3073280 is an abundant number, since it is smaller than the sum of its proper divisors (5514586).

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

3073280 is an frugal number, since it uses more digits than its factorization.

3073280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3073280 is about 1753.0772943598. The cubic root of 3073280 is about 145.3898348518.

Adding to 3073280 its reverse (823703), we get a palindrome (3896983).

The spelling of 3073280 in words is "three million, seventy-three thousand, two hundred eighty".