72000529 has 2 divisors, whose sum is σ = 72000530. Its totient is φ = 72000528.

The previous prime is 72000517. The next prime is 72000571. The reversal of 72000529 is 92500027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 5414929 = 8160^2 + 2327^2 .

It is an emirp because it is prime and its reverse (92500027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72000529 - 2⁵ = 72000497 is a prime.

It is not a weakly prime, because it can be changed into another prime (72060529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000264 + 36000265.

It is an arithmetic number, because the mean of its divisors is an integer number (36000265).

Almost surely, 2^72000529 is an apocalyptic number.

It is an amenable number.

72000529 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000529 is an equidigital number, since it uses as much as digits as its factorization.

72000529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 72000529 is about 8485.3125458053. The cubic root of 72000529 is about 416.0177834638.

The spelling of 72000529 in words is "seventy-two million, five hundred twenty-nine", and thus it is an aban number.