5312780 has 96 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 1728000.

The previous prime is 5312777. The next prime is 5312803. The reversal of 5312780 is 872135.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129560 + ... + 129600.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

Almost surely, 2^5312780 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 5312780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773760).

5312780 is an abundant number, since it is smaller than the sum of its proper divisors (8234740).

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

5312780 is a wasteful number, since it uses less digits than its factorization.

5312780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 109 counting only the distinct ones).

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

The square root of 5312780 is about 2304.9468540511. The cubic root of 5312780 is about 174.4913666388.

The spelling of 5312780 in words is "five million, three hundred twelve thousand, seven hundred eighty".