72536432 has 10 divisors (see below), whose sum is σ = 140539368. Its totient is φ = 36268208.

The previous prime is 72536423. The next prime is 72536447. The reversal of 72536432 is 23463527.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2266748 + ... + 2266779.

Almost surely, 2^72536432 is an apocalyptic number.

It is an amenable number.

72536432 is a deficient number, since it is larger than the sum of its proper divisors (68002936).

72536432 is a wasteful number, since it uses less digits than its factorization.

72536432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533535 (or 4533529 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 72536432 is about 8516.8322749717. The cubic root of 72536432 is about 417.0473792509.

Adding to 72536432 its reverse (23463527), we get a palindrome (95999959).

The spelling of 72536432 in words is "seventy-two million, five hundred thirty-six thousand, four hundred thirty-two".