4020573 has 8 divisors (see below), whose sum is σ = 5388768. Its totient is φ = 2666384.

The previous prime is 4020563. The next prime is 4020587. The reversal of 4020573 is 3750204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020573 - 2¹² = 4016477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 3992.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^4020573 is an apocalyptic number.

It is an amenable number.

4020573 is a deficient number, since it is larger than the sum of its proper divisors (1368195).

4020573 is a wasteful number, since it uses less digits than its factorization.

4020573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003.

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

The square root of 4020573 is about 2005.1366536972. The cubic root of 4020573 is about 159.0117866346.

Adding to 4020573 its reverse (3750204), we get a palindrome (7770777).

The spelling of 4020573 in words is "four million, twenty thousand, five hundred seventy-three".