3125780 has 48 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 1054848.

The previous prime is 3125779. The next prime is 3125789. The reversal of 3125780 is 875213.

3125780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125789) 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 15 ways as a sum of consecutive naturals, for example, 11486 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

Almost surely, 2^3125780 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 3125780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810240).

3125780 is an abundant number, since it is smaller than the sum of its proper divisors (4494700).

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

3125780 is a wasteful number, since it uses less digits than its factorization.

3125780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 3125780 is about 1767.9875565173. The cubic root of 3125780 is about 146.2130498125.

The spelling of 3125780 in words is "three million, one hundred twenty-five thousand, seven hundred eighty".