3072280 has 32 divisors (see below), whose sum is σ = 6998400. Its totient is φ = 1213696.

The previous prime is 3072269. The next prime is 3072283. The reversal of 3072280 is 822703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3072283) 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, 3129 + ... + 3991.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

Almost surely, 2^3072280 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 3072280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499200).

3072280 is an abundant number, since it is smaller than the sum of its proper divisors (3926120).

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

3072280 is a wasteful number, since it uses less digits than its factorization.

3072280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 3072280 is about 1752.7920584028. The cubic root of 3072280 is about 145.3740639049.

Adding to 3072280 its reverse (822703), we get a palindrome (3894983).

The spelling of 3072280 in words is "three million, seventy-two thousand, two hundred eighty".