4561780 has 24 divisors (see below), whose sum is σ = 10144008. Its totient is φ = 1717248.

The previous prime is 4561769. The next prime is 4561789. The reversal of 4561780 is 871654.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 3849444 = 844^2 + 1962^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561789) 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, 6369 + ... + 7048.

It is an arithmetic number, because the mean of its divisors is an integer number (422667).

Almost surely, 2^4561780 is an apocalyptic number.

It is an amenable number.

4561780 is an abundant number, since it is smaller than the sum of its proper divisors (5582228).

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

4561780 is a wasteful number, since it uses less digits than its factorization.

4561780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443 (or 13441 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 4561780 is about 2135.8323904277. The cubic root of 4561780 is about 165.8484609203.

The spelling of 4561780 in words is "four million, five hundred sixty-one thousand, seven hundred eighty".