4266720 has 72 divisors (see below), whose sum is σ = 14565096. Its totient is φ = 1137408.

The previous prime is 4266709. The next prime is 4266721. The reversal of 4266720 is 276624.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (202293).

Almost surely, 2^4266720 is an apocalyptic number.

4266720 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 4266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7282548).

4266720 is an abundant number, since it is smaller than the sum of its proper divisors (10298376).

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

4266720 is a wasteful number, since it uses less digits than its factorization.

4266720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 4266720 is about 2065.6040278814. The cubic root of 4266720 is about 162.1927290127.

The spelling of 4266720 in words is "four million, two hundred sixty-six thousand, seven hundred twenty".