72316337 has 4 divisors (see below), whose sum is σ = 76122480. Its totient is φ = 68510196.

The previous prime is 72316319. The next prime is 72316339. The reversal of 72316337 is 73361327.

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 a de Polignac number, because none of the positive numbers 2^k-72316337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72316339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903043 + ... + 1903080.

It is an arithmetic number, because the mean of its divisors is an integer number (19030620).

Almost surely, 2^72316337 is an apocalyptic number.

It is an amenable number.

72316337 is a deficient number, since it is larger than the sum of its proper divisors (3806143).

72316337 is a wasteful number, since it uses less digits than its factorization.

72316337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806142.

The product of its digits is 15876, while the sum is 32.

The square root of 72316337 is about 8503.9012811768. The cubic root of 72316337 is about 416.6251406793.

The spelling of 72316337 in words is "seventy-two million, three hundred sixteen thousand, three hundred thirty-seven".