72486513 has 12 divisors (see below), whose sum is σ = 114221328. Its totient is φ = 43931160.

The previous prime is 72486511. The next prime is 72486523. The reversal of 72486513 is 31568427.

It is not a de Polignac number, because 72486513 - 2¹ = 72486511 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (72486511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365995 + ... + 366192.

It is an arithmetic number, because the mean of its divisors is an integer number (9518444).

Almost surely, 2^72486513 is an apocalyptic number.

It is an amenable number.

72486513 is a deficient number, since it is larger than the sum of its proper divisors (41734815).

72486513 is a wasteful number, since it uses less digits than its factorization.

72486513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732204 (or 732201 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 72486513 is about 8513.9011622170. The cubic root of 72486513 is about 416.9516877245.

The spelling of 72486513 in words is "seventy-two million, four hundred eighty-six thousand, five hundred thirteen".