72432593 has 4 divisors (see below), whose sum is σ = 73973760. Its totient is φ = 70891428.

The previous prime is 72432583. The next prime is 72432599. The reversal of 72432593 is 39523427.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72432593 - 2¹² = 72428497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72432599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770513 + ... + 770606.

It is an arithmetic number, because the mean of its divisors is an integer number (18493440).

Almost surely, 2^72432593 is an apocalyptic number.

It is an amenable number.

72432593 is a deficient number, since it is larger than the sum of its proper divisors (1541167).

72432593 is a wasteful number, since it uses less digits than its factorization.

72432593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541166.

The product of its digits is 45360, while the sum is 35.

The square root of 72432593 is about 8510.7339871482. The cubic root of 72432593 is about 416.8482771686.

The spelling of 72432593 in words is "seventy-two million, four hundred thirty-two thousand, five hundred ninety-three".