3072780 has 72 divisors (see below), whose sum is σ = 9561552. Its totient is φ = 798336.

The previous prime is 3072749. The next prime is 3072791. The reversal of 3072780 is 872703.

3072780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7542 + ... + 7938.

Almost surely, 2^3072780 is an apocalyptic number.

3072780 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 3072780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4780776).

3072780 is an abundant number, since it is smaller than the sum of its proper divisors (6488772).

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

3072780 is a wasteful number, since it uses less digits than its factorization.

3072780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 450 counting only the distinct ones).

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

The square root of 3072780 is about 1752.9346821830. The cubic root of 3072780 is about 145.3819498061.

The spelling of 3072780 in words is "three million, seventy-two thousand, seven hundred eighty".