5051720 has 96 divisors (see below), whose sum is σ = 13262400. Its totient is φ = 1723392.

The previous prime is 5051707. The next prime is 5051723. The reversal of 5051720 is 271505.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5051692 and 5051701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219629 + ... + 219651.

It is an arithmetic number, because the mean of its divisors is an integer number (138150).

Almost surely, 2^5051720 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 5051720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6631200).

5051720 is an abundant number, since it is smaller than the sum of its proper divisors (8210680).

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

5051720 is a wasteful number, since it uses less digits than its factorization.

5051720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 5051720 is about 2247.6031678212. The cubic root of 5051720 is about 171.5851730370.

The spelling of 5051720 in words is "five million, fifty-one thousand, seven hundred twenty".