72872796629 has 2 divisors, whose sum is σ = 72872796630. Its totient is φ = 72872796628.

The previous prime is 72872796587. The next prime is 72872796641. The reversal of 72872796629 is 92669727827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70810274404 + 2062522225 = 266102^2 + 45415^2 .

It is a cyclic number.

It is not a de Polignac number, because 72872796629 - 2²⁴ = 72856019413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72872796679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36436398314 + 36436398315.

It is an arithmetic number, because the mean of its divisors is an integer number (36436398315).

Almost surely, 2^72872796629 is an apocalyptic number.

It is an amenable number.

72872796629 is a deficient number, since it is larger than the sum of its proper divisors (1).

72872796629 is an equidigital number, since it uses as much as digits as its factorization.

72872796629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64012032, while the sum is 65.

The spelling of 72872796629 in words is "seventy-two billion, eight hundred seventy-two million, seven hundred ninety-six thousand, six hundred twenty-nine".