4002373 has 4 divisors (see below), whose sum is σ = 4017100. Its totient is φ = 3987648.

The previous prime is 4002353. The next prime is 4002389. The reversal of 4002373 is 3732004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2614689 + 1387684 = 1617^2 + 1178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002373 is a prime.

It is a super-2 number, since 2×4002373² = 32037979262258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002353) 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, 6948 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (1004275).

Almost surely, 2^4002373 is an apocalyptic number.

It is an amenable number.

4002373 is a deficient number, since it is larger than the sum of its proper divisors (14727).

4002373 is a wasteful number, since it uses less digits than its factorization.

4002373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14726.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 4002373 is about 2000.5931620397. The cubic root of 4002373 is about 158.7714898471.

Adding to 4002373 its reverse (3732004), we get a palindrome (7734377).

The spelling of 4002373 in words is "four million, two thousand, three hundred seventy-three".