72232829 has 2 divisors, whose sum is σ = 72232830. Its totient is φ = 72232828.

The previous prime is 72232763. The next prime is 72232841. The reversal of 72232829 is 92823227.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47927929 + 24304900 = 6923^2 + 4930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72232829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72232429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36116414 + 36116415.

It is an arithmetic number, because the mean of its divisors is an integer number (36116415).

Almost surely, 2^72232829 is an apocalyptic number.

It is an amenable number.

72232829 is a deficient number, since it is larger than the sum of its proper divisors (1).

72232829 is an equidigital number, since it uses as much as digits as its factorization.

72232829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 72232829 is about 8498.9898811565. The cubic root of 72232829 is about 416.4647115875.

The spelling of 72232829 in words is "seventy-two million, two hundred thirty-two thousand, eight hundred twenty-nine".