4000073 has 8 divisors (see below), whose sum is σ = 4987200. Its totient is φ = 3116880.

The previous prime is 4000067. The next prime is 4000079. The reversal of 4000073 is 3700004.

It is an interprime number because it is at equal distance from previous prime (4000067) and next prime (4000079).

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 4000073 - 2¹² = 3995977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000079) 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, 25898 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (623400).

Almost surely, 2^4000073 is an apocalyptic number.

It is an amenable number.

4000073 is a deficient number, since it is larger than the sum of its proper divisors (987127).

4000073 is a wasteful number, since it uses less digits than its factorization.

4000073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51967.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 4000073 is about 2000.0182499167. The cubic root of 4000073 is about 158.7410708599.

Adding to 4000073 its reverse (3700004), we get a palindrome (7700077).

It can be divided in two parts, 400007 and 3, that multiplied together give a palindrome (1200021).

The spelling of 4000073 in words is "four million, seventy-three", and thus it is an aban number.