3500073 has 6 divisors (see below), whose sum is σ = 5055674. Its totient is φ = 2333376.

The previous prime is 3500059. The next prime is 3500111. The reversal of 3500073 is 3700053.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 514089 = 1728^2 + 717^2 .

It is not a de Polignac number, because 3500073 - 2⁵ = 3500041 is a prime.

It is a super-2 number, since 2×3500073² = 24501022010658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194440 + ... + 194457.

Almost surely, 2^3500073 is an apocalyptic number.

It is an amenable number.

3500073 is a deficient number, since it is larger than the sum of its proper divisors (1555601).

3500073 is a wasteful number, since it uses less digits than its factorization.

3500073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388903 (or 388900 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 3500073 is about 1870.8482033559. The cubic root of 3500073 is about 151.8305041626.

The spelling of 3500073 in words is "three million, five hundred thousand, seventy-three".