3643073 has 8 divisors (see below), whose sum is σ = 4234560. Its totient is φ = 3069360.

The previous prime is 3643063. The next prime is 3643099. The reversal of 3643073 is 3703463.

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

It is not a de Polignac number, because 3643073 - 2⁸ = 3642817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643033) 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, 3998 + ... + 4823.

It is an arithmetic number, because the mean of its divisors is an integer number (529320).

Almost surely, 2^3643073 is an apocalyptic number.

It is an amenable number.

3643073 is a deficient number, since it is larger than the sum of its proper divisors (591487).

3643073 is an equidigital number, since it uses as much as digits as its factorization.

3643073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 3643073 is about 1908.6835777572. The cubic root of 3643073 is about 153.8707100610.

The spelling of 3643073 in words is "three million, six hundred forty-three thousand, seventy-three".