4267780 has 48 divisors (see below), whose sum is σ = 10301760. Its totient is φ = 1468800.

The previous prime is 4267763. The next prime is 4267787. The reversal of 4267780 is 877624.

It is a super-2 number, since 2×4267780² = 36427892256800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4267787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3670 + ... + 4690.

It is an arithmetic number, because the mean of its divisors is an integer number (214620).

Almost surely, 2^4267780 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 4267780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5150880).

4267780 is an abundant number, since it is smaller than the sum of its proper divisors (6033980).

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

4267780 is a wasteful number, since it uses less digits than its factorization.

4267780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 4267780 is about 2065.8605954904. The cubic root of 4267780 is about 162.2061593181.

The spelling of 4267780 in words is "four million, two hundred sixty-seven thousand, seven hundred eighty".