72343536 has 40 divisors (see below), whose sum is σ = 187596624. Its totient is φ = 24023040.

The previous prime is 72343493. The next prime is 72343549. The reversal of 72343536 is 63534327.

It is a junction number, because it is equal to n+sod(n) for n = 72343497 and 72343506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10576 + ... + 16016.

Almost surely, 2^72343536 is an apocalyptic number.

It is an amenable number.

72343536 is an abundant number, since it is smaller than the sum of its proper divisors (115253088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72343536 is a wasteful number, since it uses less digits than its factorization.

72343536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729 (or 5723 counting only the distinct ones).

The product of its digits is 45360, while the sum is 33.

The square root of 72343536 is about 8505.5003380166. The cubic root of 72343536 is about 416.6773666230.

The spelling of 72343536 in words is "seventy-two million, three hundred forty-three thousand, five hundred thirty-six".