4280072 has 16 divisors (see below), whose sum is σ = 8221500. Its totient is φ = 2087680.

The previous prime is 4280071. The next prime is 4280083. The reversal of 4280072 is 2700824.

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 256036 = 2006^2 + 506^2 .

It is not an unprimeable number, because it can be changed into a prime (4280071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6197 + ... + 6852.

Almost surely, 2^4280072 is an apocalyptic number.

It is an amenable number.

4280072 is a deficient number, since it is larger than the sum of its proper divisors (3941428).

4280072 is a wasteful number, since it uses less digits than its factorization.

4280072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13096 (or 13092 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 4280072 is about 2068.8334877413. The cubic root of 4280072 is about 162.3617380154.

Adding to 4280072 its reverse (2700824), we get a palindrome (6980896).

The spelling of 4280072 in words is "four million, two hundred eighty thousand, seventy-two".