5130720 has 144 divisors (see below), whose sum is σ = 20049120. Its totient is φ = 1170432.

The previous prime is 5130707. The next prime is 5130721. The reversal of 5130720 is 270315.

5130720 = T₁₆₉ + T₁₇₀ + ... + T₃₂₈.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5130693 and 5130702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130721) 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, 9826 + ... + 10334.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

Almost surely, 2^5130720 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 5130720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10024560).

5130720 is an abundant number, since it is smaller than the sum of its proper divisors (14918400).

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

5130720 is a wasteful number, since it uses less digits than its factorization.

5130720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 5130720 is about 2265.1092688875. The cubic root of 5130720 is about 172.4749806184.

The spelling of 5130720 in words is "five million, one hundred thirty thousand, seven hundred twenty".