72232783 has 8 divisors (see below), whose sum is σ = 82914080. Its totient is φ = 61642080.

The previous prime is 72232763. The next prime is 72232829. The reversal of 72232783 is 38723227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72232783 - 2⁵ = 72232751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72232703) 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, 20928 + ... + 24133.

It is an arithmetic number, because the mean of its divisors is an integer number (10364260).

Almost surely, 2^72232783 is an apocalyptic number.

72232783 is a deficient number, since it is larger than the sum of its proper divisors (10681297).

72232783 is a wasteful number, since it uses less digits than its factorization.

72232783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45297.

The product of its digits is 28224, while the sum is 34.

The square root of 72232783 is about 8498.9871749521. The cubic root of 72232783 is about 416.4646231818.

The spelling of 72232783 in words is "seventy-two million, two hundred thirty-two thousand, seven hundred eighty-three".