4912780 has 12 divisors (see below), whose sum is σ = 10316880. Its totient is φ = 1965104.

The previous prime is 4912771. The next prime is 4912781. The reversal of 4912780 is 872194.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4912781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122800 + ... + 122839.

It is an arithmetic number, because the mean of its divisors is an integer number (859740).

Almost surely, 2^4912780 is an apocalyptic number.

It is an amenable number.

4912780 is an abundant number, since it is smaller than the sum of its proper divisors (5404100).

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

4912780 is a wasteful number, since it uses less digits than its factorization.

4912780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245648 (or 245646 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4912780 is about 2216.4791900670. The cubic root of 4912780 is about 169.9974624765.

The spelling of 4912780 in words is "four million, nine hundred twelve thousand, seven hundred eighty".