72408323 has 8 divisors (see below), whose sum is σ = 78331008. Its totient is φ = 66536064.

The previous prime is 72408311. The next prime is 72408377. The reversal of 72408323 is 32380427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72408323 - 2⁸ = 72408067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72408383) 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 7 ways as a sum of consecutive naturals, for example, 9590 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (9791376).

Almost surely, 2^72408323 is an apocalyptic number.

72408323 is a deficient number, since it is larger than the sum of its proper divisors (5922685).

72408323 is a wasteful number, since it uses less digits than its factorization.

72408323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25213.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 72408323 is about 8509.3080212201. The cubic root of 72408323 is about 416.8017141623.

The spelling of 72408323 in words is "seventy-two million, four hundred eight thousand, three hundred twenty-three".