72265983 has 4 divisors (see below), whose sum is σ = 96354648. Its totient is φ = 48177320.

The previous prime is 72265951. The next prime is 72266003. The reversal of 72265983 is 38956227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72265983 - 2⁵ = 72265951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72265483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12044328 + ... + 12044333.

It is an arithmetic number, because the mean of its divisors is an integer number (24088662).

Almost surely, 2^72265983 is an apocalyptic number.

72265983 is a deficient number, since it is larger than the sum of its proper divisors (24088665).

72265983 is a wasteful number, since it uses less digits than its factorization.

72265983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24088664.

The product of its digits is 181440, while the sum is 42.

The square root of 72265983 is about 8500.9401244804. The cubic root of 72265983 is about 416.5284192732.

The spelling of 72265983 in words is "seventy-two million, two hundred sixty-five thousand, nine hundred eighty-three".