72232763 has 2 divisors, whose sum is σ = 72232764. Its totient is φ = 72232762.

The previous prime is 72232757. The next prime is 72232829. The reversal of 72232763 is 36723227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72232763 - 2⁴ = 72232747 is a prime.

It is a super-2 number, since 2×72232763² = 10435144101228338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72232703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36116381 + 36116382.

It is an arithmetic number, because the mean of its divisors is an integer number (36116382).

Almost surely, 2^72232763 is an apocalyptic number.

72232763 is a deficient number, since it is larger than the sum of its proper divisors (1).

72232763 is an equidigital number, since it uses as much as digits as its factorization.

72232763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 32.

The square root of 72232763 is about 8498.9859983412. The cubic root of 72232763 is about 416.4645847446.

The spelling of 72232763 in words is "seventy-two million, two hundred thirty-two thousand, seven hundred sixty-three".