4250720 has 48 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 1643520.

The previous prime is 4250711. The next prime is 4250723. The reversal of 4250720 is 270524.

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 = 4250692 and 4250701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250723) 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, 4532 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

Almost surely, 2^4250720 is an apocalyptic number.

4250720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5189184).

4250720 is an abundant number, since it is smaller than the sum of its proper divisors (6127648).

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

4250720 is a wasteful number, since it uses less digits than its factorization.

4250720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4250720 is about 2061.7274310636. The cubic root of 4250720 is about 161.9897366866.

The spelling of 4250720 in words is "four million, two hundred fifty thousand, seven hundred twenty".