72324033 has 4 divisors (see below), whose sum is σ = 96432048. Its totient is φ = 48216020.

The previous prime is 72323989. The next prime is 72324037. The reversal of 72324033 is 33042327.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33042327 = 3 ⋅11014109.

It is a cyclic number.

It is not a de Polignac number, because 72324033 - 2⁶ = 72323969 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 72323994 and 72324012.

It is not an unprimeable number, because it can be changed into a prime (72324037) 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, 12054003 + ... + 12054008.

It is an arithmetic number, because the mean of its divisors is an integer number (24108012).

Almost surely, 2^72324033 is an apocalyptic number.

It is an amenable number.

72324033 is a deficient number, since it is larger than the sum of its proper divisors (24108015).

72324033 is a wasteful number, since it uses less digits than its factorization.

72324033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24108014.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 72324033 is about 8504.3537673359. The cubic root of 72324033 is about 416.6399194208.

The spelling of 72324033 in words is "seventy-two million, three hundred twenty-four thousand, thirty-three".