72093235 has 4 divisors (see below), whose sum is σ = 86511888. Its totient is φ = 57674584.

The previous prime is 72093227. The next prime is 72093251. The reversal of 72093235 is 53239027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53239027 = 107 ⋅497561.

It is a cyclic number.

It is not a de Polignac number, because 72093235 - 2³ = 72093227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72093197 and 72093206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7209319 + ... + 7209328.

It is an arithmetic number, because the mean of its divisors is an integer number (21627972).

Almost surely, 2^72093235 is an apocalyptic number.

72093235 is a deficient number, since it is larger than the sum of its proper divisors (14418653).

72093235 is a wasteful number, since it uses less digits than its factorization.

72093235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14418652.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 72093235 is about 8490.7735218883. The cubic root of 72093235 is about 416.1962580955.

The spelling of 72093235 in words is "seventy-two million, ninety-three thousand, two hundred thirty-five".