4073645 has 8 divisors (see below), whose sum is σ = 5101056. Its totient is φ = 3117136.

The previous prime is 4073627. The next prime is 4073677. The reversal of 4073645 is 5463704.

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 4073645 - 2¹⁸ = 3811501 is a prime.

It is a super-3 number, since 3×4073645³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17597 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (637632).

Almost surely, 2^4073645 is an apocalyptic number.

It is an amenable number.

4073645 is a deficient number, since it is larger than the sum of its proper divisors (1027411).

4073645 is a wasteful number, since it uses less digits than its factorization.

4073645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35451.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 4073645 is about 2018.3272777228. The cubic root of 4073645 is about 159.7083881094.

The spelling of 4073645 in words is "four million, seventy-three thousand, six hundred forty-five".