72050765 has 16 divisors (see below), whose sum is σ = 89441280. Its totient is φ = 55685760.

The previous prime is 72050753. The next prime is 72050791. The reversal of 72050765 is 56705027.

It is a happy number.

It is not a de Polignac number, because 72050765 - 2⁸ = 72050509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16625 + ... + 20505.

It is an arithmetic number, because the mean of its divisors is an integer number (5590080).

Almost surely, 2^72050765 is an apocalyptic number.

It is an amenable number.

72050765 is a deficient number, since it is larger than the sum of its proper divisors (17390515).

72050765 is a wasteful number, since it uses less digits than its factorization.

72050765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 72050765 is about 8488.2722034581. The cubic root of 72050765 is about 416.1145152100.

The spelling of 72050765 in words is "seventy-two million, fifty thousand, seven hundred sixty-five".