72407533717029 has 32 divisors (see below), whose sum is σ = 117959829811200. Its totient is φ = 38563790476032.

The previous prime is 72407533717019. The next prime is 72407533717031. The reversal of 72407533717029 is 92071733570427.

It is not a de Polignac number, because 72407533717029 - 2¹⁷ = 72407533585957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72407533717029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72407533717019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984537129 + ... + 984610670.

It is an arithmetic number, because the mean of its divisors is an integer number (3686244681600).

Almost surely, 2^{72407533717029} is an apocalyptic number.

It is an amenable number.

72407533717029 is a deficient number, since it is larger than the sum of its proper divisors (45552296094171).

72407533717029 is a wasteful number, since it uses less digits than its factorization.

72407533717029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969147929.

The product of its (nonzero) digits is 15558480, while the sum is 57.

The spelling of 72407533717029 in words is "seventy-two trillion, four hundred seven billion, five hundred thirty-three million, seven hundred seventeen thousand, twenty-nine".