72486039029 has 4 divisors (see below), whose sum is σ = 72499728684. Its totient is φ = 72472349376.

The previous prime is 72486038987. The next prime is 72486039037. The reversal of 72486039029 is 92093068427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28798768804 + 43687270225 = 169702^2 + 209015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72486039029 is a prime.

It is a super-2 number, since 2×72486039029² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72486039629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6836882 + ... + 6847475.

It is an arithmetic number, because the mean of its divisors is an integer number (18124932171).

Almost surely, 2^72486039029 is an apocalyptic number.

It is an amenable number.

72486039029 is a deficient number, since it is larger than the sum of its proper divisors (13689655).

72486039029 is a wasteful number, since it uses less digits than its factorization.

72486039029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13689654.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 72486039029 in words is "seventy-two billion, four hundred eighty-six million, thirty-nine thousand, twenty-nine".