72000029999999 has 2 divisors, whose sum is σ = 72000030000000. Its totient is φ = 72000029999998.

The previous prime is 72000029999893. The next prime is 72000030000023. The reversal of 72000029999999 is 99999992000027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72000029999999 - 2²⁴ = 72000013222783 is a prime.

72000029999999 is a modest number, since divided by 9999999 gives 7200002 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72000029599999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36000014999999 + 36000015000000.

It is an arithmetic number, because the mean of its divisors is an integer number (36000015000000).

Almost surely, 2^{72000029999999} is an apocalyptic number.

72000029999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

72000029999999 is an equidigital number, since it uses as much as digits as its factorization.

72000029999999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 133923132, while the sum is 74.

The spelling of 72000029999999 in words is "seventy-two trillion, twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".