4072503 has 16 divisors (see below), whose sum is σ = 5875200. Its totient is φ = 2499456.

The previous prime is 4072483. The next prime is 4072507. The reversal of 4072503 is 3052704.

It is a happy number.

It is not a de Polignac number, because 4072503 - 2¹⁰ = 4071479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4072503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072507) 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, 1548 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^4072503 is an apocalyptic number.

4072503 is a deficient number, since it is larger than the sum of its proper divisors (1802697).

4072503 is a wasteful number, since it uses less digits than its factorization.

4072503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 4072503 is about 2018.0443503551. The cubic root of 4072503 is about 159.6934625717.

It can be divided in two parts, 407250 and 3, that added together give a triangular number (407253 = T₉₀₂).

The spelling of 4072503 in words is "four million, seventy-two thousand, five hundred three".